2557880447473 has 8 divisors (see below), whose sum is σ = 2759481685800. Its totient is φ = 2356970809728.

The previous prime is 2557880447453. The next prime is 2557880447477. The reversal of 2557880447473 is 3747440887552.

It is a happy number.

2557880447473 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 4 ways, for example, as 99936912384 + 2457943535089 = 316128^2 + 1567783^2 .

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 2557880447473 - 2²⁹ = 2557343576561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2557880447477) 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, 172892458 + ... + 172907251.

It is an arithmetic number, because the mean of its divisors is an integer number (344935210725).

Almost surely, 2^{2557880447473} is an apocalyptic number.

It is an amenable number.

2557880447473 is a deficient number, since it is larger than the sum of its proper divisors (201601238327).

2557880447473 is a wasteful number, since it uses less digits than its factorization.

2557880447473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345800291.

The product of its (nonzero) digits is 210739200, while the sum is 64.

The spelling of 2557880447473 in words is "two trillion, five hundred fifty-seven billion, eight hundred eighty million, four hundred forty-seven thousand, four hundred seventy-three".