2261418413 has 4 divisors (see below), whose sum is σ = 2298490908. Its totient is φ = 2224345920.

The previous prime is 2261418409. The next prime is 2261418433. The reversal of 2261418413 is 3148141622.

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 162129289 + 2099289124 = 12733^2 + 45818^2 .

It is a cyclic number.

It is not a de Polignac number, because 2261418413 - 2² = 2261418409 is a prime.

It is a super-2 number, since 2×2261418413² = 10228026477310877138, which 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 2261418413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261418433) 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, 18536156 + ... + 18536277.

It is an arithmetic number, because the mean of its divisors is an integer number (574622727).

Almost surely, 2^2261418413 is an apocalyptic number.

It is an amenable number.

2261418413 is a deficient number, since it is larger than the sum of its proper divisors (37072495).

2261418413 is an equidigital number, since it uses as much as digits as its factorization.

2261418413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37072494.

The product of its digits is 9216, while the sum is 32.

The square root of 2261418413 is about 47554.3732268653. The cubic root of 2261418413 is about 1312.5836029346.

The spelling of 2261418413 in words is "two billion, two hundred sixty-one million, four hundred eighteen thousand, four hundred thirteen".