75385499458357 has 4 divisors (see below), whose sum is σ = 82238726681856. Its totient is φ = 68532272234860.

The previous prime is 75385499458349. The next prime is 75385499458361.

75385499458357 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75385499458357 - 2³ = 75385499458349 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 (75385499458337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3426613611733 + ... + 3426613611754.

It is an arithmetic number, because the mean of its divisors is an integer number (20559681670464).

Almost surely, 2^{75385499458357} is an apocalyptic number.

It is an amenable number.

75385499458357 is a deficient number, since it is larger than the sum of its proper divisors (6853227223499).

75385499458357 is a wasteful number, since it uses less digits than its factorization.

75385499458357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6853227223498.

The product of its digits is 22861440000, while the sum is 82.

The spelling of 75385499458357 in words is "seventy-five trillion, three hundred eighty-five billion, four hundred ninety-nine million, four hundred fifty-eight thousand, three hundred fifty-seven".