5694643309640 has 32 divisors (see below), whose sum is σ = 12813854676480. Its totient is φ = 2277696038592.

The previous prime is 5694643309627. The next prime is 5694643309661. The reversal of 5694643309640 is 469033464965.

It is a super-2 number, since 2×5694643309640² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5694643309640.

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, 4467374 + ... + 5598813.

It is an arithmetic number, because the mean of its divisors is an integer number (400432958640).

Almost surely, 2^{5694643309640} is an apocalyptic number.

It is an amenable number.

5694643309640 is an abundant number, since it is smaller than the sum of its proper divisors (7119211366840).

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

5694643309640 is a wasteful number, since it uses less digits than its factorization.

5694643309640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10080341 (or 10080337 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 59.

The spelling of 5694643309640 in words is "five trillion, six hundred ninety-four billion, six hundred forty-three million, three hundred nine thousand, six hundred forty".