37394040213 has 12 divisors (see below), whose sum is σ = 54068130688. Its totient is φ = 24904198440.

The previous prime is 37394040209. The next prime is 37394040221. The reversal of 37394040213 is 31204049373.

37394040213 is a `hidden beast` number, since 3 + 7 + 39 + 404 + 0 + 213 = 666.

It is not a de Polignac number, because 37394040213 - 2² = 37394040209 is a prime.

It is a super-2 number, since 2×37394040213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37394040223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2087395 + ... + 2105232.

Almost surely, 2^37394040213 is an apocalyptic number.

It is an amenable number.

37394040213 is a deficient number, since it is larger than the sum of its proper divisors (16674090475).

37394040213 is a wasteful number, since it uses less digits than its factorization.

37394040213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4193624 (or 4193621 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

Adding to 37394040213 its reverse (31204049373), we get a palindrome (68598089586).

The spelling of 37394040213 in words is "thirty-seven billion, three hundred ninety-four million, forty thousand, two hundred thirteen".