2474891391 has 8 divisors (see below), whose sum is σ = 3771263104. Its totient is φ = 1414223640.

The previous prime is 2474891387. The next prime is 2474891401. The reversal of 2474891391 is 1931984742.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2474891391 - 2² = 2474891387 is a prime.

It is a super-2 number, since 2×2474891391² = 12250174794491829762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2474891391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2474891351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58925965 + ... + 58926006.

It is an arithmetic number, because the mean of its divisors is an integer number (471407888).

Almost surely, 2^2474891391 is an apocalyptic number.

2474891391 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2474891391 is a deficient number, since it is larger than the sum of its proper divisors (1296371713).

2474891391 is a wasteful number, since it uses less digits than its factorization.

2474891391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117851981.

The product of its digits is 435456, while the sum is 48.

The square root of 2474891391 is about 49748.2802818349. The cubic root of 2474891391 is about 1352.6498280676.

The spelling of 2474891391 in words is "two billion, four hundred seventy-four million, eight hundred ninety-one thousand, three hundred ninety-one".