37039696849 has 9 divisors (see below), whose sum is σ = 39350143441. Its totient is φ = 34857811840.

The previous prime is 37039696847. The next prime is 37039696867. The reversal of 37039696849 is 94869693073.

The square root of 37039696849 is 192457.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1608411025 + 35431285824 = 40105^2 + 188232^2 .

It is not a de Polignac number, because 37039696849 - 2¹ = 37039696847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37039696847) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3266109 + ... + 3277429.

Almost surely, 2^37039696849 is an apocalyptic number.

37039696849 is the 192457-th square number.

37039696849 is the 96229-th centered octagonal number.

It is an amenable number.

37039696849 is a deficient number, since it is larger than the sum of its proper divisors (2310446592).

37039696849 is an frugal number, since it uses more digits than its factorization.

37039696849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22676 (or 11338 counting only the distinct ones).

The product of its (nonzero) digits is 52907904, while the sum is 64.

Multiplying 37039696849 by its sum of digits (64), we get a square (2370540598336 = 1539656²).

The spelling of 37039696849 in words is "thirty-seven billion, thirty-nine million, six hundred ninety-six thousand, eight hundred forty-nine".