396825039937 has 4 divisors (see below), whose sum is σ = 397072902276. Its totient is φ = 396577177600.

The previous prime is 396825039929. The next prime is 396825039967. The reversal of 396825039937 is 739930528693.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 303919561521 + 92905478416 = 551289^2 + 304804^2 .

It is a cyclic number.

It is not a de Polignac number, because 396825039937 - 2³ = 396825039929 is a prime.

It is a super-2 number, since 2×396825039937² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396825039967) 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 in 3 ways as a sum of consecutive naturals, for example, 123928768 + ... + 123931969.

It is an arithmetic number, because the mean of its divisors is an integer number (99268225569).

Almost surely, 2^396825039937 is an apocalyptic number.

It is an amenable number.

396825039937 is a deficient number, since it is larger than the sum of its proper divisors (247862339).

396825039937 is a wasteful number, since it uses less digits than its factorization.

396825039937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247862338.

The product of its (nonzero) digits is 66134880, while the sum is 64.

The spelling of 396825039937 in words is "three hundred ninety-six billion, eight hundred twenty-five million, thirty-nine thousand, nine hundred thirty-seven".