2657428481 has 8 divisors (see below), whose sum is σ = 2664355200. Its totient is φ = 2650512240.

The previous prime is 2657428471. The next prime is 2657428493. The reversal of 2657428481 is 1848247562.

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

It is a cyclic number.

It is not a de Polignac number, because 2657428481 - 2²⁶ = 2590319617 is a prime.

It is a super-2 number, since 2×2657428481² = 14123852263259934722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2657428421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766091 + ... + 769551.

It is an arithmetic number, because the mean of its divisors is an integer number (333044400).

Almost surely, 2^2657428481 is an apocalyptic number.

It is an amenable number.

2657428481 is a deficient number, since it is larger than the sum of its proper divisors (6926719).

2657428481 is a wasteful number, since it uses less digits than its factorization.

2657428481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5239.

The product of its digits is 860160, while the sum is 47.

The square root of 2657428481 is about 51550.2519974442. The cubic root of 2657428481 is about 1385.1193458913.

It can be divided in two parts, 26574 and 28481, that added together give a palindrome (55055).

The spelling of 2657428481 in words is "two billion, six hundred fifty-seven million, four hundred twenty-eight thousand, four hundred eighty-one".