2651513890 has 16 divisors (see below), whose sum is σ = 4773400632. Its totient is φ = 1060455424.

The previous prime is 2651513873. The next prime is 2651513903. The reversal of 2651513890 is 983151562.

It can be written as a sum of positive squares in 4 ways, for example, as 1286728641 + 1364785249 = 35871^2 + 36943^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80322 + ... + 108418.

Almost surely, 2^2651513890 is an apocalyptic number.

2651513890 is a deficient number, since it is larger than the sum of its proper divisors (2121886742).

2651513890 is a wasteful number, since it uses less digits than its factorization.

2651513890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37541.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 2651513890 is about 51492.8528050253. The cubic root of 2651513890 is about 1384.0909707904.

The spelling of 2651513890 in words is "two billion, six hundred fifty-one million, five hundred thirteen thousand, eight hundred ninety".