392101938871 has 4 divisors (see below), whose sum is σ = 404750388544. Its totient is φ = 379453489200.

The previous prime is 392101938853. The next prime is 392101938887. The reversal of 392101938871 is 178839101293.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 392101938871 - 2⁷ = 392101938743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392101933871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6324224790 + ... + 6324224851.

It is an arithmetic number, because the mean of its divisors is an integer number (101187597136).

Almost surely, 2^392101938871 is an apocalyptic number.

392101938871 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

392101938871 is a deficient number, since it is larger than the sum of its proper divisors (12648449673).

392101938871 is a wasteful number, since it uses less digits than its factorization.

392101938871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12648449672.

The product of its (nonzero) digits is 653184, while the sum is 52.

The spelling of 392101938871 in words is "three hundred ninety-two billion, one hundred one million, nine hundred thirty-eight thousand, eight hundred seventy-one".