1995493647232 has 64 divisors (see below), whose sum is σ = 4124932766640. Its totient is φ = 960772423680.

The previous prime is 1995493647229. The next prime is 1995493647253. The reversal of 1995493647232 is 2327463945991.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1995493647232² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

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, 1712494 + ... + 2631277.

Almost surely, 2^{1995493647232} is an apocalyptic number.

It is an amenable number.

1995493647232 is an abundant number, since it is smaller than the sum of its proper divisors (2129439119408).

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

1995493647232 is an equidigital number, since it uses as much as digits as its factorization.

1995493647232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4343919 (or 4343907 counting only the distinct ones).

The product of its digits is 88179840, while the sum is 64.

The spelling of 1995493647232 in words is "one trillion, nine hundred ninety-five billion, four hundred ninety-three million, six hundred forty-seven thousand, two hundred thirty-two".