379831571393 has 2 divisors, whose sum is σ = 379831571394. Its totient is φ = 379831571392.

The previous prime is 379831571359. The next prime is 379831571407. The reversal of 379831571393 is 393175138973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191273273104 + 188558298289 = 437348^2 + 434233^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-379831571393 is a prime.

It is not a weakly prime, because it can be changed into another prime (379831571333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189915785696 + 189915785697.

It is an arithmetic number, because the mean of its divisors is an integer number (189915785697).

Almost surely, 2^379831571393 is an apocalyptic number.

It is an amenable number.

379831571393 is a deficient number, since it is larger than the sum of its proper divisors (1).

379831571393 is an equidigital number, since it uses as much as digits as its factorization.

379831571393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12859560, while the sum is 59.

The spelling of 379831571393 in words is "three hundred seventy-nine billion, eight hundred thirty-one million, five hundred seventy-one thousand, three hundred ninety-three".