3992310817893 has 12 divisors (see below), whose sum is σ = 5768300690880. Its totient is φ = 2660788463976.

The previous prime is 3992310817879. The next prime is 3992310817897. The reversal of 3992310817893 is 3987180132993.

3992310817893 is a `hidden beast` number, since 3 + 9 + 92 + 310 + 81 + 78 + 93 = 666.

It is not a de Polignac number, because 3992310817893 - 2⁸ = 3992310817637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3992310817893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3992310817897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62639821 + ... + 62703522.

It is an arithmetic number, because the mean of its divisors is an integer number (480691724240).

Almost surely, 2^{3992310817893} is an apocalyptic number.

It is an amenable number.

3992310817893 is a deficient number, since it is larger than the sum of its proper divisors (1775989872987).

3992310817893 is a wasteful number, since it uses less digits than its factorization.

3992310817893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125346888 (or 125346885 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 63.

The spelling of 3992310817893 in words is "three trillion, nine hundred ninety-two billion, three hundred ten million, eight hundred seventeen thousand, eight hundred ninety-three".