869131685482 has 16 divisors (see below), whose sum is σ = 1308807152712. Its totient is φ = 432863746560.

The previous prime is 869131685479. The next prime is 869131685483. The reversal of 869131685482 is 284586131968.

It can be written as a sum of positive squares in 4 ways, for example, as 641298257721 + 227833427761 = 800811^2 + 477319^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 869131685482.

It is not an unprimeable number, because it can be changed into a prime (869131685483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295458 + ... + 1848370.

Almost surely, 2^869131685482 is an apocalyptic number.

869131685482 is a deficient number, since it is larger than the sum of its proper divisors (439675467230).

869131685482 is a wasteful number, since it uses less digits than its factorization.

869131685482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555993.

The product of its digits is 19906560, while the sum is 61.

The spelling of 869131685482 in words is "eight hundred sixty-nine billion, one hundred thirty-one million, six hundred eighty-five thousand, four hundred eighty-two".