75133633157 has 6 divisors (see below), whose sum is σ = 82584902694. Its totient is φ = 68303302760.

The previous prime is 75133633151. The next prime is 75133633163.

75133633157 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (75133633151) and next prime (75133633163).

It can be written as a sum of positive squares in only one way, i.e., 74816472676 + 317160481 = 273526^2 + 17809^2 .

It is not a de Polignac number, because 75133633157 - 2⁸ = 75133632901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75133633151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 310469438 + ... + 310469679.

It is an arithmetic number, because the mean of its divisors is an integer number (13764150449).

Almost surely, 2^75133633157 is an apocalyptic number.

It is an amenable number.

75133633157 is a deficient number, since it is larger than the sum of its proper divisors (7451269537).

75133633157 is a wasteful number, since it uses less digits than its factorization.

75133633157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620939139 (or 620939128 counting only the distinct ones).

The product of its digits is 595350, while the sum is 44.

The spelling of 75133633157 in words is "seventy-five billion, one hundred thirty-three million, six hundred thirty-three thousand, one hundred fifty-seven".