6642303916969 has 32 divisors (see below), whose sum is σ = 7809272819712. Its totient is φ = 5531038800000.

The previous prime is 6642303916951. The next prime is 6642303916979. The reversal of 6642303916969 is 9696193032466.

It is not a de Polignac number, because 6642303916969 - 2¹¹ = 6642303914921 is a prime.

It is a super-2 number, since 2×6642303916969² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6642303916969.

It is not an unprimeable number, because it can be changed into a prime (6642303916949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 376816734 + ... + 376834360.

It is an arithmetic number, because the mean of its divisors is an integer number (244039775616).

Almost surely, 2^{6642303916969} is an apocalyptic number.

It is an amenable number.

6642303916969 is a deficient number, since it is larger than the sum of its proper divisors (1166968902743).

6642303916969 is a wasteful number, since it uses less digits than its factorization.

6642303916969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23157.

The product of its (nonzero) digits is 68024448, while the sum is 64.

The spelling of 6642303916969 in words is "six trillion, six hundred forty-two billion, three hundred three million, nine hundred sixteen thousand, nine hundred sixty-nine".