2601995564 has 24 divisors (see below), whose sum is σ = 5210315040. Its totient is φ = 1113785856.

The previous prime is 2601995563. The next prime is 2601995573. The reversal of 2601995564 is 4655991062.

2601995564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2601995563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32837 + ... + 79260.

It is an arithmetic number, because the mean of its divisors is an integer number (217096460).

Almost surely, 2^2601995564 is an apocalyptic number.

It is an amenable number.

2601995564 is an abundant number, since it is smaller than the sum of its proper divisors (2608319476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2601995564 is a wasteful number, since it uses less digits than its factorization.

2601995564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112937 (or 112935 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 47.

The square root of 2601995564 is about 51009.7594975707. The cubic root of 2601995564 is about 1375.4205768420.

The spelling of 2601995564 in words is "two billion, six hundred one million, nine hundred ninety-five thousand, five hundred sixty-four".