2500770947 has 4 divisors (see below), whose sum is σ = 2517332496. Its totient is φ = 2484209400.

The previous prime is 2500770929. The next prime is 2500770953. The reversal of 2500770947 is 7490770052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2500770947 - 2²⁶ = 2433662083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2500770347) 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, 8280548 + ... + 8280849.

It is an arithmetic number, because the mean of its divisors is an integer number (629333124).

Almost surely, 2^2500770947 is an apocalyptic number.

2500770947 is a deficient number, since it is larger than the sum of its proper divisors (16561549).

2500770947 is a wasteful number, since it uses less digits than its factorization.

2500770947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16561548.

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 2500770947 is about 50007.7088757323. The cubic root of 2500770947 is about 1357.3483054337.

The spelling of 2500770947 in words is "two billion, five hundred million, seven hundred seventy thousand, nine hundred forty-seven".