2555360643 has 24 divisors (see below), whose sum is σ = 3778249104. Its totient is φ = 1534973440.

The previous prime is 2555360611. The next prime is 2555360657. The reversal of 2555360643 is 3460635552.

2555360643 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2555360643 - 2⁵ = 2555360611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2555361643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9871 + ... + 72167.

It is an arithmetic number, because the mean of its divisors is an integer number (157427046).

Almost surely, 2^2555360643 is an apocalyptic number.

2555360643 is a deficient number, since it is larger than the sum of its proper divisors (1222888461).

2555360643 is a wasteful number, since it uses less digits than its factorization.

2555360643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62435 (or 62424 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 39.

The square root of 2555360643 is about 50550.5751005861. The cubic root of 2555360643 is about 1367.1538837983.

The spelling of 2555360643 in words is "two billion, five hundred fifty-five million, three hundred sixty thousand, six hundred forty-three".