2456484785557 has 8 divisors (see below), whose sum is σ = 2679821413920. Its totient is φ = 2233151462160.

The previous prime is 2456484785471. The next prime is 2456484785603. The reversal of 2456484785557 is 7555874846542.

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 2456484785557 - 2²³ = 2456476396949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2456484585557) 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, 881319 + ... + 2385307.

It is an arithmetic number, because the mean of its divisors is an integer number (334977676740).

Almost surely, 2^{2456484785557} is an apocalyptic number.

It is an amenable number.

2456484785557 is a deficient number, since it is larger than the sum of its proper divisors (223336628363).

2456484785557 is a wasteful number, since it uses less digits than its factorization.

2456484785557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652483.

The product of its digits is 1505280000, while the sum is 70.

The spelling of 2456484785557 in words is "two trillion, four hundred fifty-six billion, four hundred eighty-four million, seven hundred eighty-five thousand, five hundred fifty-seven".