262855213961 has 4 divisors (see below), whose sum is σ = 262858012032. Its totient is φ = 262852415892.

The previous prime is 262855213913. The next prime is 262855214093. The reversal of 262855213961 is 169312558262.

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 262855213961 - 2²² = 262851019657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (262855219961) 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, 1253045 + ... + 1447698.

It is an arithmetic number, because the mean of its divisors is an integer number (65714503008).

Almost surely, 2^262855213961 is an apocalyptic number.

It is an amenable number.

262855213961 is a deficient number, since it is larger than the sum of its proper divisors (2798071).

262855213961 is an equidigital number, since it uses as much as digits as its factorization.

262855213961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798070.

The product of its digits is 1555200, while the sum is 50.

The spelling of 262855213961 in words is "two hundred sixty-two billion, eight hundred fifty-five million, two hundred thirteen thousand, nine hundred sixty-one".