1690852974264 has 32 divisors (see below), whose sum is σ = 4696813818000. Its totient is φ = 563617658016.

The previous prime is 1690852974247. The next prime is 1690852974287. The reversal of 1690852974264 is 4624792580961.

1690852974264 is a `hidden beast` number, since 1 + 6 + 9 + 0 + 8 + 529 + 7 + 42 + 64 = 666.

It is a congruent number.

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, 3914011299 + ... + 3914011730.

Almost surely, 2^{1690852974264} is an apocalyptic number.

It is an amenable number.

1690852974264 is an abundant number, since it is smaller than the sum of its proper divisors (3005960843736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1690852974264 is a wasteful number, since it uses less digits than its factorization.

1690852974264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7828023044 (or 7828023034 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 1690852974264 in words is "one trillion, six hundred ninety billion, eight hundred fifty-two million, nine hundred seventy-four thousand, two hundred sixty-four".