413566266650261 has 4 divisors (see below), whose sum is σ = 423653248763724. Its totient is φ = 403479284536800.

The previous prime is 413566266650219. The next prime is 413566266650263. The reversal of 413566266650261 is 162056662665314.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 248574039945361 + 164992226704900 = 15766231^2 + 12844930^2 .

It is a cyclic number.

It is not a de Polignac number, because 413566266650261 - 2¹⁸ = 413566266388117 is a prime.

It is a super-2 number, since 2×413566266650261² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 413566266650261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413566266650263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5043491056670 + ... + 5043491056751.

It is an arithmetic number, because the mean of its divisors is an integer number (105913312190931).

Almost surely, 2^{413566266650261} is an apocalyptic number.

413566266650261 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

413566266650261 is a deficient number, since it is larger than the sum of its proper divisors (10086982113463).

413566266650261 is a wasteful number, since it uses less digits than its factorization.

413566266650261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10086982113462.

The product of its (nonzero) digits is 55987200, while the sum is 59.

The spelling of 413566266650261 in words is "four hundred thirteen trillion, five hundred sixty-six billion, two hundred sixty-six million, six hundred fifty thousand, two hundred sixty-one".