379131811 has 2 divisors, whose sum is σ = 379131812. Its totient is φ = 379131810.

The previous prime is 379131787. The next prime is 379131827. The reversal of 379131811 is 118131973.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 379131811 - 2⁹ = 379131299 is a prime.

It is a super-2 number, since 2×379131811² = 287481860224279442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (379131211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189565905 + 189565906.

It is an arithmetic number, because the mean of its divisors is an integer number (189565906).

Almost surely, 2^379131811 is an apocalyptic number.

379131811 is a deficient number, since it is larger than the sum of its proper divisors (1).

379131811 is an equidigital number, since it uses as much as digits as its factorization.

379131811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 34.

The square root of 379131811 is about 19471.3073777803. The cubic root of 379131811 is about 723.7636071589.

The spelling of 379131811 in words is "three hundred seventy-nine million, one hundred thirty-one thousand, eight hundred eleven".