75134649612645 has 48 divisors (see below), whose sum is σ = 148839161807232. Its totient is φ = 34347037910400.

The previous prime is 75134649612541. The next prime is 75134649612653. The reversal of 75134649612645 is 54621694643157.

75134649612645 is a `hidden beast` number, since 7 + 5 + 1 + 3 + 4 + 6 + 4 + 9 + 612 + 6 + 4 + 5 = 666.

It is not a de Polignac number, because 75134649612645 - 2¹³ = 75134649604453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51667674 + ... + 53101956.

It is an arithmetic number, because the mean of its divisors is an integer number (3100815870984).

Almost surely, 2^{75134649612645} is an apocalyptic number.

It is an amenable number.

75134649612645 is a deficient number, since it is larger than the sum of its proper divisors (73704512194587).

75134649612645 is a wasteful number, since it uses less digits than its factorization.

75134649612645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600602 (or 1600599 counting only the distinct ones).

The product of its digits is 130636800, while the sum is 63.

The spelling of 75134649612645 in words is "seventy-five trillion, one hundred thirty-four billion, six hundred forty-nine million, six hundred twelve thousand, six hundred forty-five".