2457479494 has 8 divisors (see below), whose sum is σ = 3880230840. Its totient is φ = 1164069216.

The previous prime is 2457479491. The next prime is 2457479503. The reversal of 2457479494 is 4949747542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2457479491) 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, 32335219 + ... + 32335294.

It is an arithmetic number, because the mean of its divisors is an integer number (485028855).

Almost surely, 2^2457479494 is an apocalyptic number.

2457479494 is a deficient number, since it is larger than the sum of its proper divisors (1422751346).

2457479494 is a wasteful number, since it uses less digits than its factorization.

2457479494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64670534.

The product of its digits is 10160640, while the sum is 55.

The square root of 2457479494 is about 49572.9714057973. The cubic root of 2457479494 is about 1349.4702071134.

The spelling of 2457479494 in words is "two billion, four hundred fifty-seven million, four hundred seventy-nine thousand, four hundred ninety-four".