6475618391963 has 48 divisors (see below), whose sum is σ = 8099861799744. Its totient is φ = 5143496601600.

The previous prime is 6475618391947. The next prime is 6475618391969. The reversal of 6475618391963 is 3691938165746.

It is not a de Polignac number, because 6475618391963 - 2⁴ = 6475618391947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6475618391893 and 6475618391902.

It is not an unprimeable number, because it can be changed into a prime (6475618391969) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13985681 + ... + 14441277.

It is an arithmetic number, because the mean of its divisors is an integer number (168747120828).

Almost surely, 2^{6475618391963} is an apocalyptic number.

6475618391963 is a deficient number, since it is larger than the sum of its proper divisors (1624243407781).

6475618391963 is a wasteful number, since it uses less digits than its factorization.

6475618391963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455892 (or 455885 counting only the distinct ones).

The product of its digits is 176359680, while the sum is 68.

The spelling of 6475618391963 in words is "six trillion, four hundred seventy-five billion, six hundred eighteen million, three hundred ninety-one thousand, nine hundred sixty-three".