6481950529857 has 16 divisors (see below), whose sum is σ = 9429949237440. Its totient is φ = 3927764217600.

The previous prime is 6481950529849. The next prime is 6481950529871. The reversal of 6481950529857 is 7589250591846.

It is not a de Polignac number, because 6481950529857 - 2³ = 6481950529849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6481950529791 and 6481950529800.

It is not an unprimeable number, because it can be changed into a prime (6481950529837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17075644 + ... + 17451117.

It is an arithmetic number, because the mean of its divisors is an integer number (589371827340).

Almost surely, 2^{6481950529857} is an apocalyptic number.

It is an amenable number.

6481950529857 is a deficient number, since it is larger than the sum of its proper divisors (2947998707583).

6481950529857 is a wasteful number, since it uses less digits than its factorization.

6481950529857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34532464.

The product of its (nonzero) digits is 217728000, while the sum is 69.

The spelling of 6481950529857 in words is "six trillion, four hundred eighty-one billion, nine hundred fifty million, five hundred twenty-nine thousand, eight hundred fifty-seven".