2511563464 has 8 divisors (see below), whose sum is σ = 4709181510. Its totient is φ = 1255781728.

The previous prime is 2511563413. The next prime is 2511563543. The reversal of 2511563464 is 4643651152.

2511563464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2335788900 + 175774564 = 48330^2 + 13258^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156972709 + ... + 156972724.

Almost surely, 2^2511563464 is an apocalyptic number.

It is an amenable number.

2511563464 is a deficient number, since it is larger than the sum of its proper divisors (2197618046).

2511563464 is a wasteful number, since it uses less digits than its factorization.

2511563464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313945439 (or 313945435 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 2511563464 is about 50115.5012346479. The cubic root of 2511563464 is about 1359.2981283233.

The spelling of 2511563464 in words is "two billion, five hundred eleven million, five hundred sixty-three thousand, four hundred sixty-four".