6456641763 has 16 divisors (see below), whose sum is σ = 10113901056. Its totient is φ = 3612107040.

The previous prime is 6456641761. The next prime is 6456641791. The reversal of 6456641763 is 3671466546.

It is not a de Polignac number, because 6456641763 - 2¹ = 6456641761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6456641761) 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 15 ways as a sum of consecutive naturals, for example, 7524795 + ... + 7525652.

It is an arithmetic number, because the mean of its divisors is an integer number (632118816).

Almost surely, 2^6456641763 is an apocalyptic number.

6456641763 is a deficient number, since it is larger than the sum of its proper divisors (3657259293).

6456641763 is a wasteful number, since it uses less digits than its factorization.

6456641763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15050474.

The product of its digits is 2177280, while the sum is 48.

The square root of 6456641763 is about 80353.2311920311. The cubic root of 6456641763 is about 1862.0966993560.

The spelling of 6456641763 in words is "six billion, four hundred fifty-six million, six hundred forty-one thousand, seven hundred sixty-three".