2064970637 has 16 divisors (see below), whose sum is σ = 2237248512. Its totient is φ = 1898841600.

The previous prime is 2064970627. The next prime is 2064970643. The reversal of 2064970637 is 7360794602.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2064970637 - 2¹⁸ = 2064708493 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 (2064970627) 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, 125012 + ... + 140562.

It is an arithmetic number, because the mean of its divisors is an integer number (139828032).

Almost surely, 2^2064970637 is an apocalyptic number.

It is an amenable number.

2064970637 is a deficient number, since it is larger than the sum of its proper divisors (172277875).

2064970637 is a wasteful number, since it uses less digits than its factorization.

2064970637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15748.

The product of its (nonzero) digits is 381024, while the sum is 44.

The square root of 2064970637 is about 45441.9479886151. The cubic root of 2064970637 is about 1273.4189063692.

The spelling of 2064970637 in words is "two billion, sixty-four million, nine hundred seventy thousand, six hundred thirty-seven".