3992926378793 has 4 divisors (see below), whose sum is σ = 4355919685968. Its totient is φ = 3629933071620.

The previous prime is 3992926378789. The next prime is 3992926378817. The reversal of 3992926378793 is 3978736292993.

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 not a de Polignac number, because 3992926378793 - 2² = 3992926378789 is a prime.

It is a super-2 number, since 2×3992926378793² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3992926378093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181496653571 + ... + 181496653592.

It is an arithmetic number, because the mean of its divisors is an integer number (1088979921492).

Almost surely, 2^{3992926378793} is an apocalyptic number.

It is an amenable number.

3992926378793 is a deficient number, since it is larger than the sum of its proper divisors (362993307175).

3992926378793 is a wasteful number, since it uses less digits than its factorization.

3992926378793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362993307174.

The product of its digits is 1666598976, while the sum is 77.

The spelling of 3992926378793 in words is "three trillion, nine hundred ninety-two billion, nine hundred twenty-six million, three hundred seventy-eight thousand, seven hundred ninety-three".