939249916523442 has 48 divisors (see below), whose sum is σ = 2124291221245440. Its totient is φ = 299579531169600.

The previous prime is 939249916523393. The next prime is 939249916523467. The reversal of 939249916523442 is 244325619942939.

It is a happy number.

939249916523442 is a `hidden beast` number, since 9 + 3 + 9 + 2 + 4 + 9 + 91 + 6 + 523 + 4 + 4 + 2 = 666.

939249916523442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9456374934 + ... + 9456474257.

It is an arithmetic number, because the mean of its divisors is an integer number (44256067109280).

Almost surely, 2^{939249916523442} is an apocalyptic number.

939249916523442 is an abundant number, since it is smaller than the sum of its proper divisors (1185041304721998).

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

939249916523442 is a wasteful number, since it uses less digits than its factorization.

939249916523442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18912849319 (or 18912849316 counting only the distinct ones).

The product of its digits is 906992640, while the sum is 72.

The spelling of 939249916523442 in words is "nine hundred thirty-nine trillion, two hundred forty-nine billion, nine hundred sixteen million, five hundred twenty-three thousand, four hundred forty-two".