379411966861 has 2 divisors, whose sum is σ = 379411966862. Its totient is φ = 379411966860.

The previous prime is 379411966837. The next prime is 379411966883. The reversal of 379411966861 is 168669114973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 379124664361 + 287302500 = 615731^2 + 16950^2 .

It is a cyclic number.

It is not a de Polignac number, because 379411966861 - 2²⁷ = 379277749133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 379411966861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (379411966831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189705983430 + 189705983431.

It is an arithmetic number, because the mean of its divisors is an integer number (189705983431).

Almost surely, 2^379411966861 is an apocalyptic number.

It is an amenable number.

379411966861 is a deficient number, since it is larger than the sum of its proper divisors (1).

379411966861 is an equidigital number, since it uses as much as digits as its factorization.

379411966861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11757312, while the sum is 61.

The spelling of 379411966861 in words is "three hundred seventy-nine billion, four hundred eleven million, nine hundred sixty-six thousand, eight hundred sixty-one".