6945622613892 has 30 divisors (see below), whose sum is σ = 18157229488398. Its totient is φ = 2315207537856.

The previous prime is 6945622613869. The next prime is 6945622613899. The reversal of 6945622613892 is 2983162265496.

It is a happy number.

6945622613892 is a `hidden beast` number, since 6 + 9 + 4 + 5 + 6 + 2 + 2 + 613 + 8 + 9 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5319370253376 + 1626252360516 = 2306376^2 + 1275246^2 .

It is a super-2 number, since 2×6945622613892² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6945622613899) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10718553093 + ... + 10718553740.

Almost surely, 2^{6945622613892} is an apocalyptic number.

It is an amenable number.

6945622613892 is an abundant number, since it is smaller than the sum of its proper divisors (11211606874506).

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

6945622613892 is a wasteful number, since it uses less digits than its factorization.

6945622613892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21437106849 (or 21437106838 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 63.

The spelling of 6945622613892 in words is "six trillion, nine hundred forty-five billion, six hundred twenty-two million, six hundred thirteen thousand, eight hundred ninety-two".