396040869307 has 2 divisors, whose sum is σ = 396040869308. Its totient is φ = 396040869306.

The previous prime is 396040869283. The next prime is 396040869373. The reversal of 396040869307 is 703968040693.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 396040869307 - 2¹¹ = 396040867259 is a prime.

It is a super-2 number, since 2×396040869307² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (396040869407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198020434653 + 198020434654.

It is an arithmetic number, because the mean of its divisors is an integer number (198020434654).

Almost surely, 2^396040869307 is an apocalyptic number.

396040869307 is a deficient number, since it is larger than the sum of its proper divisors (1).

396040869307 is an equidigital number, since it uses as much as digits as its factorization.

396040869307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 55.

The spelling of 396040869307 in words is "three hundred ninety-six billion, forty million, eight hundred sixty-nine thousand, three hundred seven".