2457425618 has 6 divisors (see below), whose sum is σ = 3686243589. Its totient is φ = 1228677756.

The previous prime is 2457425611. The next prime is 2457425623. The reversal of 2457425618 is 8165247542.

2457425618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2141190529 + 316235089 = 46273^2 + 17783^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=35053.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2457425611) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 52580 + ... + 87632.

Almost surely, 2^2457425618 is an apocalyptic number.

2457425618 is a deficient number, since it is larger than the sum of its proper divisors (1228817971).

2457425618 is an frugal number, since it uses more digits than its factorization.

2457425618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70108 (or 35055 counting only the distinct ones).

The product of its digits is 537600, while the sum is 44.

The square root of 2457425618 is about 49572.4280018641. The cubic root of 2457425618 is about 1349.4603454390.

The spelling of 2457425618 in words is "two billion, four hundred fifty-seven million, four hundred twenty-five thousand, six hundred eighteen".