2651571464 has 16 divisors (see below), whose sum is σ = 5264149500. Its totient is φ = 1247798272.

The previous prime is 2651571457. The next prime is 2651571469. The reversal of 2651571464 is 4641751562.

It can be written as a sum of positive squares in 2 ways, for example, as 1985415364 + 666156100 = 44558^2 + 25810^2 .

It is not an unprimeable number, because it can be changed into a prime (2651571469) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9748289 + ... + 9748560.

Almost surely, 2^2651571464 is an apocalyptic number.

It is an amenable number.

2651571464 is a deficient number, since it is larger than the sum of its proper divisors (2612578036).

2651571464 is a wasteful number, since it uses less digits than its factorization.

2651571464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19496872 (or 19496868 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 2651571464 is about 51493.4118504494. The cubic root of 2651571464 is about 1384.1009885991.

It can be divided in two parts, 26515 and 71464, that added together give a palindrome (97979).

The spelling of 2651571464 in words is "two billion, six hundred fifty-one million, five hundred seventy-one thousand, four hundred sixty-four".