93042499638 has 96 divisors (see below), whose sum is σ = 217153802880. Its totient is φ = 26464838400.

The previous prime is 93042499637. The next prime is 93042499681. The reversal of 93042499638 is 83699424039.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93042499637) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4667673 + ... + 4687563.

It is an arithmetic number, because the mean of its divisors is an integer number (2262018780).

Almost surely, 2^93042499638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 93042499638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108576901440).

93042499638 is an abundant number, since it is smaller than the sum of its proper divisors (124111303242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

93042499638 is a wasteful number, since it uses less digits than its factorization.

93042499638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20314 (or 20303 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 57.

The spelling of 93042499638 in words is "ninety-three billion, forty-two million, four hundred ninety-nine thousand, six hundred thirty-eight".