2502389457 has 16 divisors (see below), whose sum is σ = 3753015360. Its totient is φ = 1668258180.

The previous prime is 2502389431. The next prime is 2502389521. The reversal of 2502389457 is 7549832052.

2502389457 is a `hidden beast` number, since 2 + 502 + 3 + 8 + 94 + 57 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-2502389457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2502382457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569919 + ... + 574292.

It is an arithmetic number, because the mean of its divisors is an integer number (234563460).

Almost surely, 2^2502389457 is an apocalyptic number.

2502389457 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2502389457 is a deficient number, since it is larger than the sum of its proper divisors (1250625903).

2502389457 is an frugal number, since it uses more digits than its factorization.

2502389457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144232 (or 1144214 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 2502389457 is about 50023.8888632221. Note that the first 4 decimals coincide. The cubic root of 2502389457 is about 1357.6410695557.

The spelling of 2502389457 in words is "two billion, five hundred two million, three hundred eighty-nine thousand, four hundred fifty-seven".