93649936838 has 16 divisors (see below), whose sum is σ = 152758086624. Its totient is φ = 42879461760.

The previous prime is 93649936837. The next prime is 93649936847. The reversal of 93649936838 is 83863994639.

It is a super-2 number, since 2×93649936838² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93649936837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37220498 + ... + 37223013.

It is an arithmetic number, because the mean of its divisors is an integer number (9547380414).

Almost surely, 2^93649936838 is an apocalyptic number.

93649936838 is a deficient number, since it is larger than the sum of its proper divisors (59108149786).

93649936838 is a wasteful number, since it uses less digits than its factorization.

93649936838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74443567.

The product of its digits is 181398528, while the sum is 68.

The spelling of 93649936838 in words is "ninety-three billion, six hundred forty-nine million, nine hundred thirty-six thousand, eight hundred thirty-eight".