2555270729 has 4 divisors (see below), whose sum is σ = 2787568080. Its totient is φ = 2322973380.

The previous prime is 2555270713. The next prime is 2555270737. The reversal of 2555270729 is 9270725552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2555270729 - 2⁴ = 2555270713 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2555270729.

It is not an unprimeable number, because it can be changed into a prime (2555270749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116148659 + ... + 116148680.

It is an arithmetic number, because the mean of its divisors is an integer number (696892020).

Almost surely, 2^2555270729 is an apocalyptic number.

It is an amenable number.

2555270729 is a deficient number, since it is larger than the sum of its proper divisors (232297351).

2555270729 is a wasteful number, since it uses less digits than its factorization.

2555270729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232297350.

The product of its (nonzero) digits is 441000, while the sum is 44.

The square root of 2555270729 is about 50549.6857458085. The cubic root of 2555270729 is about 1367.1378485254.

The spelling of 2555270729 in words is "two billion, five hundred fifty-five million, two hundred seventy thousand, seven hundred twenty-nine".