2530774491 has 12 divisors (see below), whose sum is σ = 3925283112. Its totient is φ = 1446156768.

The previous prime is 2530774471. The next prime is 2530774501. The reversal of 2530774491 is 1944770352.

It is not a de Polignac number, because 2530774491 - 2¹⁴ = 2530758107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2530774471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8607930 + ... + 8608223.

It is an arithmetic number, because the mean of its divisors is an integer number (327106926).

Almost surely, 2^2530774491 is an apocalyptic number.

2530774491 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2530774491 is a deficient number, since it is larger than the sum of its proper divisors (1394508621).

2530774491 is a wasteful number, since it uses less digits than its factorization.

2530774491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17216170 (or 17216163 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 2530774491 is about 50306.8036253547. The cubic root of 2530774491 is about 1362.7551002974.

The spelling of 2530774491 in words is "two billion, five hundred thirty million, seven hundred seventy-four thousand, four hundred ninety-one".