269608553831 has 4 divisors (see below), whose sum is σ = 271166984952. Its totient is φ = 268050122712.

The previous prime is 269608553789. The next prime is 269608553861. The reversal of 269608553831 is 138355806962.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-269608553831 is a prime.

It is a super-2 number, since 2×269608553831² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (269608553861) 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, 779215301 + ... + 779215646.

It is an arithmetic number, because the mean of its divisors is an integer number (67791746238).

Almost surely, 2^269608553831 is an apocalyptic number.

269608553831 is a deficient number, since it is larger than the sum of its proper divisors (1558431121).

269608553831 is a wasteful number, since it uses less digits than its factorization.

269608553831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558431120.

The product of its (nonzero) digits is 9331200, while the sum is 56.

The spelling of 269608553831 in words is "two hundred sixty-nine billion, six hundred eight million, five hundred fifty-three thousand, eight hundred thirty-one".