396706633713 has 24 divisors (see below), whose sum is σ = 617143828392. Its totient is φ = 244109507328.

The previous prime is 396706633693. The next prime is 396706633759. The reversal of 396706633713 is 317336607693.

It can be written as a sum of positive squares in 4 ways, for example, as 106323601329 + 290383032384 = 326073^2 + 538872^2 .

It is not a de Polignac number, because 396706633713 - 2¹² = 396706629617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 396706633713.

It is not an unprimeable number, because it can be changed into a prime (396706633793) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1606195 + ... + 1836647.

It is an arithmetic number, because the mean of its divisors is an integer number (25714326183).

Almost surely, 2^396706633713 is an apocalyptic number.

It is an amenable number.

396706633713 is a deficient number, since it is larger than the sum of its proper divisors (220437194679).

396706633713 is a wasteful number, since it uses less digits than its factorization.

396706633713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245185 (or 245182 counting only the distinct ones).

The product of its (nonzero) digits is 7715736, while the sum is 54.

The spelling of 396706633713 in words is "three hundred ninety-six billion, seven hundred six million, six hundred thirty-three thousand, seven hundred thirteen".