6964945454640 has 160 divisors (see below), whose sum is σ = 23112933177600. Its totient is φ = 1729741962240.

The previous prime is 6964945454521. The next prime is 6964945454669. The reversal of 6964945454640 is 464545494696.

It is a super-2 number, since 2×6964945454640² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12675031 + ... + 13213110.

It is an arithmetic number, because the mean of its divisors is an integer number (144455832360).

Almost surely, 2^{6964945454640} is an apocalyptic number.

6964945454640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6964945454640 is an abundant number, since it is smaller than the sum of its proper divisors (16147987722960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6964945454640 is a wasteful number, since it uses less digits than its factorization.

6964945454640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25888235 (or 25888229 counting only the distinct ones).

The product of its (nonzero) digits is 447897600, while the sum is 66.

The spelling of 6964945454640 in words is "six trillion, nine hundred sixty-four billion, nine hundred forty-five million, four hundred fifty-four thousand, six hundred forty".