2169392742 has 48 divisors (see below), whose sum is σ = 5246923968. Its totient is φ = 642101040.

The previous prime is 2169392713. The next prime is 2169392759. The reversal of 2169392742 is 2472939612.

2169392742 is a `hidden beast` number, since 216 + 9 + 392 + 7 + 42 = 666.

It is a congruent number.

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, 118888 + ... + 135915.

It is an arithmetic number, because the mean of its divisors is an integer number (109310916).

Almost surely, 2^2169392742 is an apocalyptic number.

2169392742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2169392742 is an abundant number, since it is smaller than the sum of its proper divisors (3077531226).

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

2169392742 is a wasteful number, since it uses less digits than its factorization.

2169392742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254865 (or 254862 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 2169392742 is about 46576.7403539578. The cubic root of 2169392742 is about 1294.5318128857.

The spelling of 2169392742 in words is "two billion, one hundred sixty-nine million, three hundred ninety-two thousand, seven hundred forty-two".