407315969 has 2 divisors, whose sum is σ = 407315970. Its totient is φ = 407315968.

The previous prime is 407315941. The next prime is 407316011. The reversal of 407315969 is 969513704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213744400 + 193571569 = 14620^2 + 13913^2 .

It is a cyclic number.

It is not a de Polignac number, because 407315969 - 2¹⁶ = 407250433 is a prime.

It is a super-2 number, since 2×407315969² = 331812597204817922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (407315269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203657984 + 203657985.

It is an arithmetic number, because the mean of its divisors is an integer number (203657985).

Almost surely, 2^407315969 is an apocalyptic number.

It is an amenable number.

407315969 is a deficient number, since it is larger than the sum of its proper divisors (1).

407315969 is an equidigital number, since it uses as much as digits as its factorization.

407315969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 407315969 is about 20182.0704834762. The cubic root of 407315969 is about 741.2712316528.

The spelling of 407315969 in words is "four hundred seven million, three hundred fifteen thousand, nine hundred sixty-nine".