392009685149 has 4 divisors (see below), whose sum is σ = 392389908960. Its totient is φ = 391629461340.

The previous prime is 392009685113. The next prime is 392009685157. The reversal of 392009685149 is 941586900293.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-392009685149 is a prime.

It is a super-2 number, since 2×392009685149² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 392009685094 and 392009685103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392009685169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190110359 + ... + 190112420.

It is an arithmetic number, because the mean of its divisors is an integer number (98097477240).

Almost surely, 2^392009685149 is an apocalyptic number.

It is an amenable number.

392009685149 is a deficient number, since it is larger than the sum of its proper divisors (380223811).

392009685149 is a wasteful number, since it uses less digits than its factorization.

392009685149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380223810.

The product of its (nonzero) digits is 4199040, while the sum is 56.

The spelling of 392009685149 in words is "three hundred ninety-two billion, nine million, six hundred eighty-five thousand, one hundred forty-nine".