73505053831 has 16 divisors (see below), whose sum is σ = 82446368256. Its totient is φ = 64952280000.

The previous prime is 73505053829. The next prime is 73505053837. The reversal of 73505053831 is 13835050537.

It is a cyclic number.

It is not a de Polignac number, because 73505053831 - 2¹ = 73505053829 is a prime.

It is a super-2 number, since 2×73505053831² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73505053837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178485 + ... + 422926.

It is an arithmetic number, because the mean of its divisors is an integer number (5152898016).

Almost surely, 2^73505053831 is an apocalyptic number.

73505053831 is a deficient number, since it is larger than the sum of its proper divisors (8941314425).

73505053831 is a wasteful number, since it uses less digits than its factorization.

73505053831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601734.

The product of its (nonzero) digits is 189000, while the sum is 40.

The spelling of 73505053831 in words is "seventy-three billion, five hundred five million, fifty-three thousand, eight hundred thirty-one".