6315791651 has 16 divisors (see below), whose sum is σ = 7342090560. Its totient is φ = 5384184960.

The previous prime is 6315791623. The next prime is 6315791681. The reversal of 6315791651 is 1561975136.

It is a cyclic number.

It is not a de Polignac number, because 6315791651 - 2¹⁴ = 6315775267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6315791681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355520 + ... + 372861.

It is an arithmetic number, because the mean of its divisors is an integer number (458880660).

Almost surely, 2^6315791651 is an apocalyptic number.

6315791651 is a deficient number, since it is larger than the sum of its proper divisors (1026298909).

6315791651 is a wasteful number, since it uses less digits than its factorization.

6315791651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728446.

The product of its digits is 170100, while the sum is 44.

The square root of 6315791651 is about 79471.9551225462. The cubic root of 6315791651 is about 1848.4566286441.

The spelling of 6315791651 in words is "six billion, three hundred fifteen million, seven hundred ninety-one thousand, six hundred fifty-one".