262425364661 has 4 divisors (see below), whose sum is σ = 265747204800. Its totient is φ = 259103524524.

The previous prime is 262425364573. The next prime is 262425364709. The reversal of 262425364661 is 166463524262.

262425364661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 262425364661 - 2¹⁴ = 262425348277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (262425364561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1660919951 + ... + 1660920108.

It is an arithmetic number, because the mean of its divisors is an integer number (66436801200).

Almost surely, 2^262425364661 is an apocalyptic number.

It is an amenable number.

262425364661 is a deficient number, since it is larger than the sum of its proper divisors (3321840139).

262425364661 is an equidigital number, since it uses as much as digits as its factorization.

262425364661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321840138.

The product of its digits is 2488320, while the sum is 47.

The spelling of 262425364661 in words is "two hundred sixty-two billion, four hundred twenty-five million, three hundred sixty-four thousand, six hundred sixty-one".