393932019411 has 32 divisors (see below), whose sum is σ = 669887475200. Its totient is φ = 224120999520.

The previous prime is 393932019389. The next prime is 393932019413. The reversal of 393932019411 is 114910239393.

It is a happy number.

It is not a de Polignac number, because 393932019411 - 2¹¹ = 393932017363 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (393932019413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4507585 + ... + 4594146.

It is an arithmetic number, because the mean of its divisors is an integer number (20933983600).

Almost surely, 2^393932019411 is an apocalyptic number.

393932019411 is a deficient number, since it is larger than the sum of its proper divisors (275955455789).

393932019411 is a wasteful number, since it uses less digits than its factorization.

393932019411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9101976 (or 9101970 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The spelling of 393932019411 in words is "three hundred ninety-three billion, nine hundred thirty-two million, nineteen thousand, four hundred eleven".