6402093433644 has 48 divisors (see below), whose sum is σ = 14974723070720. Its totient is φ = 2128816831680.

The previous prime is 6402093433607. The next prime is 6402093433667. The reversal of 6402093433644 is 4463343902046.

It is a super-2 number, since 2×6402093433644² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6402093433593 and 6402093433602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94332387 + ... + 94400229.

Almost surely, 2^{6402093433644} is an apocalyptic number.

It is an amenable number.

6402093433644 is an abundant number, since it is smaller than the sum of its proper divisors (8572629637076).

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

6402093433644 is a wasteful number, since it uses less digits than its factorization.

6402093433644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86950 (or 86948 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 48.

The spelling of 6402093433644 in words is "six trillion, four hundred two billion, ninety-three million, four hundred thirty-three thousand, six hundred forty-four".