1945766993500 has 96 divisors (see below), whose sum is σ = 4636390659264. Its totient is φ = 707473440000.

The previous prime is 1945766993491. The next prime is 1945766993561. The reversal of 1945766993500 is 53996675491.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78203062 + ... + 78227938.

It is an arithmetic number, because the mean of its divisors is an integer number (48295736034).

Almost surely, 2^{1945766993500} is an apocalyptic number.

1945766993500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1945766993500 is an abundant number, since it is smaller than the sum of its proper divisors (2690623665764).

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

1945766993500 is a wasteful number, since it uses less digits than its factorization.

1945766993500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39128 (or 39116 counting only the distinct ones).

The product of its (nonzero) digits is 55112400, while the sum is 64.

The spelling of 1945766993500 in words is "one trillion, nine hundred forty-five billion, seven hundred sixty-six million, nine hundred ninety-three thousand, five hundred".