379579969 has 2 divisors, whose sum is σ = 379579970. Its totient is φ = 379579968.

The previous prime is 379579957. The next prime is 379579973. The reversal of 379579969 is 969975973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273737025 + 105842944 = 16545^2 + 10288^2 .

It is a cyclic number.

It is not a de Polignac number, because 379579969 - 2²¹ = 377482817 is a prime.

It is a super-2 number, since 2×379579969² = 288161905732081922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 379579969.

It is not a weakly prime, because it can be changed into another prime (379579939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189789984 + 189789985.

It is an arithmetic number, because the mean of its divisors is an integer number (189789985).

Almost surely, 2^379579969 is an apocalyptic number.

It is an amenable number.

379579969 is a deficient number, since it is larger than the sum of its proper divisors (1).

379579969 is an equidigital number, since it uses as much as digits as its factorization.

379579969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28934010, while the sum is 64.

The square root of 379579969 is about 19482.8121430147. The cubic root of 379579969 is about 724.0486731265.

The spelling of 379579969 in words is "three hundred seventy-nine million, five hundred seventy-nine thousand, nine hundred sixty-nine".