869424650 has 12 divisors (see below), whose sum is σ = 1617129942. Its totient is φ = 347769840.

The previous prime is 869424637. The next prime is 869424701. The reversal of 869424650 is 56424968.

869424650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 538657681 + 330766969 = 23209^2 + 18187^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8694197 + ... + 8694296.

Almost surely, 2^869424650 is an apocalyptic number.

869424650 is a deficient number, since it is larger than the sum of its proper divisors (747705292).

869424650 is a wasteful number, since it uses less digits than its factorization.

869424650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17388505 (or 17388500 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 869424650 is about 29486.0076985678. The cubic root of 869424650 is about 954.4297830426.

The spelling of 869424650 in words is "eight hundred sixty-nine million, four hundred twenty-four thousand, six hundred fifty".