693042112542 has 16 divisors (see below), whose sum is σ = 1492706088720. Its totient is φ = 213243726912.

The previous prime is 693042112501. The next prime is 693042112573. The reversal of 693042112542 is 245211240396.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 693042112542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4442577567 + ... + 4442577722.

It is an arithmetic number, because the mean of its divisors is an integer number (93294130545).

Almost surely, 2^693042112542 is an apocalyptic number.

693042112542 is an abundant number, since it is smaller than the sum of its proper divisors (799663976178).

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

693042112542 is a wasteful number, since it uses less digits than its factorization.

693042112542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8885155307.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 693042112542 in words is "six hundred ninety-three billion, forty-two million, one hundred twelve thousand, five hundred forty-two".