369999947 has 2 divisors, whose sum is σ = 369999948. Its totient is φ = 369999946.

The previous prime is 369999941. The next prime is 369999979. The reversal of 369999947 is 749999963.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 369999947 - 2⁸ = 369999691 is a prime.

It is not a weakly prime, because it can be changed into another prime (369999941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184999973 + 184999974.

It is an arithmetic number, because the mean of its divisors is an integer number (184999974).

Almost surely, 2^369999947 is an apocalyptic number.

369999947 is a deficient number, since it is larger than the sum of its proper divisors (1).

369999947 is an equidigital number, since it uses as much as digits as its factorization.

369999947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29760696, while the sum is 65.

The square root of 369999947 is about 19235.3826840019. The cubic root of 369999947 is about 717.9054009285.

The spelling of 369999947 in words is "three hundred sixty-nine million, nine hundred ninety-nine thousand, nine hundred forty-seven".