73880523491 has 2 divisors, whose sum is σ = 73880523492. Its totient is φ = 73880523490.

The previous prime is 73880523481. The next prime is 73880523529. The reversal of 73880523491 is 19432508837.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73880523491 - 2²⁶ = 73813414627 is a prime.

It is not a weakly prime, because it can be changed into another prime (73880523461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36940261745 + 36940261746.

It is an arithmetic number, because the mean of its divisors is an integer number (36940261746).

Almost surely, 2^73880523491 is an apocalyptic number.

73880523491 is a deficient number, since it is larger than the sum of its proper divisors (1).

73880523491 is an equidigital number, since it uses as much as digits as its factorization.

73880523491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 73880523491 in words is "seventy-three billion, eight hundred eighty million, five hundred twenty-three thousand, four hundred ninety-one".