9942538192 has 10 divisors (see below), whose sum is σ = 19263667778. Its totient is φ = 4971269088.

The previous prime is 9942538159. The next prime is 9942538201. The reversal of 9942538192 is 2918352499.

It can be written as a sum of positive squares in only one way, i.e., 5215150656 + 4727387536 = 72216^2 + 68756^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310704303 + ... + 310704334.

Almost surely, 2^9942538192 is an apocalyptic number.

It is an amenable number.

9942538192 is a deficient number, since it is larger than the sum of its proper divisors (9321129586).

9942538192 is a wasteful number, since it uses less digits than its factorization.

9942538192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621408645 (or 621408639 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 52.

The square root of 9942538192 is about 99712.2770374842. The cubic root of 9942538192 is about 2150.3001702408.

The spelling of 9942538192 in words is "nine billion, nine hundred forty-two million, five hundred thirty-eight thousand, one hundred ninety-two".