93042499637 has 2 divisors, whose sum is σ = 93042499638. Its totient is φ = 93042499636.

The previous prime is 93042499609. The next prime is 93042499681. The reversal of 93042499637 is 73699424039.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85269256081 + 7773243556 = 292009^2 + 88166^2 .

It is an emirp because it is prime and its reverse (73699424039) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93042499637 is a prime.

It is a super-2 number, since 2×93042499637² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93042499687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46521249818 + 46521249819.

It is an arithmetic number, because the mean of its divisors is an integer number (46521249819).

Almost surely, 2^93042499637 is an apocalyptic number.

It is an amenable number.

93042499637 is a deficient number, since it is larger than the sum of its proper divisors (1).

93042499637 is an equidigital number, since it uses as much as digits as its factorization.

93042499637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8817984, while the sum is 56.

The spelling of 93042499637 in words is "ninety-three billion, forty-two million, four hundred ninety-nine thousand, six hundred thirty-seven".