2504274449403 has 18 divisors (see below), whose sum is σ = 3349955198044. Its totient is φ = 1664072766944.

The previous prime is 2504274449389. The next prime is 2504274449533. The reversal of 2504274449403 is 3049444724052.

It is not a de Polignac number, because 2504274449403 - 2⁴ = 2504274449387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2504274449203) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 951109375 + ... + 951112007.

Almost surely, 2^{2504274449403} is an apocalyptic number.

2504274449403 is a deficient number, since it is larger than the sum of its proper divisors (845680748641).

2504274449403 is an frugal number, since it uses more digits than its factorization.

2504274449403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5963 (or 2983 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 48.

Multiplying 2504274449403 by its sum of digits (48), we get a square (120205173571344 = 10963812²).

The spelling of 2504274449403 in words is "two trillion, five hundred four billion, two hundred seventy-four million, four hundred forty-nine thousand, four hundred three".