2137964776 has 16 divisors (see below), whose sum is σ = 4009502340. Its totient is φ = 1068764160.

The previous prime is 2137964771. The next prime is 2137964813. The reversal of 2137964776 is 6774697312.

It can be written as a sum of positive squares in 2 ways, for example, as 1877142276 + 260822500 = 43326^2 + 16150^2 .

It is not an unprimeable number, because it can be changed into a prime (2137964771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18970 + ... + 68086.

Almost surely, 2^2137964776 is an apocalyptic number.

It is an amenable number.

2137964776 is a deficient number, since it is larger than the sum of its proper divisors (1871537564).

2137964776 is a wasteful number, since it uses less digits than its factorization.

2137964776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54564 (or 54560 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 52.

The square root of 2137964776 is about 46238.1311906093. The cubic root of 2137964776 is about 1288.2500912846.

The spelling of 2137964776 in words is "two billion, one hundred thirty-seven million, nine hundred sixty-four thousand, seven hundred seventy-six".