969864523490 has 16 divisors (see below), whose sum is σ = 1754617852152. Its totient is φ = 385976540544.

The previous prime is 969864523477. The next prime is 969864523513. The reversal of 969864523490 is 94325468969.

969864523490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 984817²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 969864523489 + 1 = 984817^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246156539 + ... + 246160478.

Almost surely, 2^969864523490 is an apocalyptic number.

969864523490 is a deficient number, since it is larger than the sum of its proper divisors (784753328662).

969864523490 is a wasteful number, since it uses less digits than its factorization.

969864523490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492317221.

The product of its (nonzero) digits is 100776960, while the sum is 65.

The spelling of 969864523490 in words is "nine hundred sixty-nine billion, eight hundred sixty-four million, five hundred twenty-three thousand, four hundred ninety".