3564990459693 has 24 divisors (see below), whose sum is σ = 5545994651288. Its totient is φ = 2193660703872.

The previous prime is 3564990459691. The next prime is 3564990459739. The reversal of 3564990459693 is 3969540994653.

It is a happy number.

3564990459693 is a `hidden beast` number, since 3 + 5 + 6 + 499 + 0 + 45 + 9 + 6 + 93 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 570384436644 + 2994606023049 = 755238^2 + 1730493^2 .

It is not a de Polignac number, because 3564990459693 - 2¹ = 3564990459691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3564990459691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195471 + ... + 2677347.

Almost surely, 2^{3564990459693} is an apocalyptic number.

It is an amenable number.

3564990459693 is a deficient number, since it is larger than the sum of its proper divisors (1981004191595).

3564990459693 is a wasteful number, since it uses less digits than its factorization.

3564990459693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494173 (or 2494170 counting only the distinct ones).

The product of its (nonzero) digits is 850305600, while the sum is 72.

The spelling of 3564990459693 in words is "three trillion, five hundred sixty-four billion, nine hundred ninety million, four hundred fifty-nine thousand, six hundred ninety-three".