2457655249 has 8 divisors (see below), whose sum is σ = 2809130240. Its totient is φ = 2106275616.

The previous prime is 2457655229. The next prime is 2457655253. The reversal of 2457655249 is 9425567542.

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 2457655249 - 2²¹ = 2455558097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2457655229) 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, 44437 + ... + 83005.

It is an arithmetic number, because the mean of its divisors is an integer number (351141280).

Almost surely, 2^2457655249 is an apocalyptic number.

It is an amenable number.

2457655249 is a deficient number, since it is larger than the sum of its proper divisors (351474991).

2457655249 is an equidigital number, since it uses as much as digits as its factorization.

2457655249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47679.

The product of its digits is 3024000, while the sum is 49.

The square root of 2457655249 is about 49574.7440638880. The cubic root of 2457655249 is about 1349.5023769963.

The spelling of 2457655249 in words is "two billion, four hundred fifty-seven million, six hundred fifty-five thousand, two hundred forty-nine".