6964878945990 has 64 divisors (see below), whose sum is σ = 19365362090496. Its totient is φ = 1570164486912.

The previous prime is 6964878945989. The next prime is 6964878945991. The reversal of 6964878945990 is 995498784696.

It is an interprime number because it is at equal distance from previous prime (6964878945989) and next prime (6964878945991).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6964878945991) 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, 227149672 + ... + 227180331.

It is an arithmetic number, because the mean of its divisors is an integer number (302583782664).

Almost surely, 2^{6964878945990} is an apocalyptic number.

6964878945990 is an abundant number, since it is smaller than the sum of its proper divisors (12400483144506).

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

6964878945990 is a wasteful number, since it uses less digits than its factorization.

6964878945990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454330093.

The product of its (nonzero) digits is 8465264640, while the sum is 84.

The spelling of 6964878945990 in words is "six trillion, nine hundred sixty-four billion, eight hundred seventy-eight million, nine hundred forty-five thousand, nine hundred ninety".