37638999413 has 8 divisors (see below), whose sum is σ = 40073244120. Its totient is φ = 35229219840.

The previous prime is 37638999371. The next prime is 37638999421. The reversal of 37638999413 is 31499983673.

It can be written as a sum of positive squares in 4 ways, for example, as 36747844 + 37602251569 = 6062^2 + 193913^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 37638999413 - 2¹⁰ = 37638998389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37638999493) 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 7 ways as a sum of consecutive naturals, for example, 6113108 + ... + 6119261.

It is an arithmetic number, because the mean of its divisors is an integer number (5009155515).

Almost surely, 2^37638999413 is an apocalyptic number.

It is an amenable number.

37638999413 is a deficient number, since it is larger than the sum of its proper divisors (2434244707).

37638999413 is a wasteful number, since it uses less digits than its factorization.

37638999413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12232567.

The product of its digits is 26453952, while the sum is 62.

The spelling of 37638999413 in words is "thirty-seven billion, six hundred thirty-eight million, nine hundred ninety-nine thousand, four hundred thirteen".