93138307497 has 6 divisors (see below), whose sum is σ = 134533110842. Its totient is φ = 62092204992.

The previous prime is 93138307459. The next prime is 93138307501. The reversal of 93138307497 is 79470383139.

It is a happy number.

93138307497 is a `hidden beast` number, since 93 + 1 + 38 + 30 + 7 + 497 = 666.

It can be written as a sum of positive squares in only one way, i.e., 84632119056 + 8506188441 = 290916^2 + 92229^2 .

It is not a de Polignac number, because 93138307497 - 2¹⁵ = 93138274729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93138302497) 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, 5174350408 + ... + 5174350425.

Almost surely, 2^93138307497 is an apocalyptic number.

It is an amenable number.

93138307497 is a deficient number, since it is larger than the sum of its proper divisors (41394803345).

93138307497 is a wasteful number, since it uses less digits than its factorization.

93138307497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10348700839 (or 10348700836 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The spelling of 93138307497 in words is "ninety-three billion, one hundred thirty-eight million, three hundred seven thousand, four hundred ninety-seven".