379364981 has 2 divisors, whose sum is σ = 379364982. Its totient is φ = 379364980.

The previous prime is 379364957. The next prime is 379364983. The reversal of 379364981 is 189463973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 338928100 + 40436881 = 18410^2 + 6359^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-379364981 is a prime.

It is a super-2 number, since 2×379364981² = 287835577618260722, which contains 22 as substring.

Together with 379364983, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (379364983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189682490 + 189682491.

It is an arithmetic number, because the mean of its divisors is an integer number (189682491).

Almost surely, 2^379364981 is an apocalyptic number.

It is an amenable number.

379364981 is a deficient number, since it is larger than the sum of its proper divisors (1).

379364981 is an equidigital number, since it uses as much as digits as its factorization.

379364981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 50.

The square root of 379364981 is about 19477.2939855618. The cubic root of 379364981 is about 723.9119507964.

The spelling of 379364981 in words is "three hundred seventy-nine million, three hundred sixty-four thousand, nine hundred eighty-one".