2457573450338 has 4 divisors (see below), whose sum is σ = 3686360175510. Its totient is φ = 1228786725168.

The previous prime is 2457573450281. The next prime is 2457573450347. The reversal of 2457573450338 is 8330543757542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1731442800649 + 726130649689 = 1315843^2 + 852133^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614393362583 + ... + 614393362586.

Almost surely, 2^{2457573450338} is an apocalyptic number.

2457573450338 is a deficient number, since it is larger than the sum of its proper divisors (1228786725172).

2457573450338 is a wasteful number, since it uses less digits than its factorization.

2457573450338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228786725171.

The product of its (nonzero) digits is 42336000, while the sum is 56.

The spelling of 2457573450338 in words is "two trillion, four hundred fifty-seven billion, five hundred seventy-three million, four hundred fifty thousand, three hundred thirty-eight".