37664404393 has 16 divisors (see below), whose sum is σ = 47220572160. Its totient is φ = 29184915600.

The previous prime is 37664404391. The next prime is 37664404403. The reversal of 37664404393 is 39340446673.

37664404393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 37664404393 - 2¹ = 37664404391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37664404391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1352553 + ... + 1380118.

It is an arithmetic number, because the mean of its divisors is an integer number (2951285760).

Almost surely, 2^37664404393 is an apocalyptic number.

It is an amenable number.

37664404393 is a deficient number, since it is larger than the sum of its proper divisors (9556167767).

37664404393 is a wasteful number, since it uses less digits than its factorization.

37664404393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732868.

The product of its (nonzero) digits is 3919104, while the sum is 49.

The spelling of 37664404393 in words is "thirty-seven billion, six hundred sixty-four million, four hundred four thousand, three hundred ninety-three".