2130702656 has 14 divisors (see below), whose sum is σ = 4228113210. Its totient is φ = 1065351296.

The previous prime is 2130702647. The next prime is 2130702659. The reversal of 2130702656 is 6562070312.

It can be written as a sum of positive squares in only one way, i.e., 1849000000 + 281702656 = 43000^2 + 16784^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130702659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16646051 + ... + 16646178.

Almost surely, 2^2130702656 is an apocalyptic number.

It is an amenable number.

2130702656 is a deficient number, since it is larger than the sum of its proper divisors (2097410554).

2130702656 is an equidigital number, since it uses as much as digits as its factorization.

2130702656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33292241 (or 33292231 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 2130702656 is about 46159.5348330115. The cubic root of 2130702656 is about 1286.7898178574.

Adding to 2130702656 its reverse (6562070312), we get a palindrome (8692772968).

The spelling of 2130702656 in words is "two billion, one hundred thirty million, seven hundred two thousand, six hundred fifty-six".