2472657091 has 4 divisors (see below), whose sum is σ = 2473138800. Its totient is φ = 2472175384.

The previous prime is 2472657049. The next prime is 2472657097. The reversal of 2472657091 is 1907562742.

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

It is a cyclic number.

It is not a de Polignac number, because 2472657091 - 2²¹ = 2470559939 is a prime.

It is a super-2 number, since 2×2472657091² = 12228066179345164562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2472657097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233071 + ... + 243448.

It is an arithmetic number, because the mean of its divisors is an integer number (618284700).

Almost surely, 2^2472657091 is an apocalyptic number.

2472657091 is a deficient number, since it is larger than the sum of its proper divisors (481709).

2472657091 is an equidigital number, since it uses as much as digits as its factorization.

2472657091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481708.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 2472657091 is about 49725.8191586624. The cubic root of 2472657091 is about 1352.2426539112.

The spelling of 2472657091 in words is "two billion, four hundred seventy-two million, six hundred fifty-seven thousand, ninety-one".