2145195503764 has 12 divisors (see below), whose sum is σ = 3762200325184. Its totient is φ = 1070281125144.

The previous prime is 2145195503687. The next prime is 2145195503809. The reversal of 2145195503764 is 4673055915412.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579154602 + ... + 579158305.

Almost surely, 2^{2145195503764} is an apocalyptic number.

It is an amenable number.

2145195503764 is a deficient number, since it is larger than the sum of its proper divisors (1617004821420).

2145195503764 is a wasteful number, since it uses less digits than its factorization.

2145195503764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158313374 (or 1158313372 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 52.

The spelling of 2145195503764 in words is "two trillion, one hundred forty-five billion, one hundred ninety-five million, five hundred three thousand, seven hundred sixty-four".