2530203338557 has 4 divisors (see below), whose sum is σ = 2531364517120. Its totient is φ = 2529042159996.

The previous prime is 2530203338543. The next prime is 2530203338563. The reversal of 2530203338557 is 7558333020352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2530203338557 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 (2530203308557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580586013 + ... + 580590370.

It is an arithmetic number, because the mean of its divisors is an integer number (632841129280).

Almost surely, 2^{2530203338557} is an apocalyptic number.

It is an amenable number.

2530203338557 is a deficient number, since it is larger than the sum of its proper divisors (1161178563).

2530203338557 is a wasteful number, since it uses less digits than its factorization.

2530203338557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161178562.

The product of its (nonzero) digits is 2268000, while the sum is 46.

The spelling of 2530203338557 in words is "two trillion, five hundred thirty billion, two hundred three million, three hundred thirty-eight thousand, five hundred fifty-seven".