2491306056424 has 32 divisors (see below), whose sum is σ = 4719927832200. Its totient is φ = 1232661749760.

The previous prime is 2491306056419. The next prime is 2491306056431. The reversal of 2491306056424 is 4246506031942.

It can be written as a sum of positive squares in 4 ways, for example, as 2163011435524 + 328294620900 = 1470718^2 + 572970^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6350464 + ... + 6731344.

Almost surely, 2^{2491306056424} is an apocalyptic number.

It is an amenable number.

2491306056424 is a deficient number, since it is larger than the sum of its proper divisors (2228621775776).

2491306056424 is a wasteful number, since it uses less digits than its factorization.

2491306056424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389413 (or 389409 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 2491306056424 in words is "two trillion, four hundred ninety-one billion, three hundred six million, fifty-six thousand, four hundred twenty-four".