7141321969656 has 64 divisors (see below), whose sum is σ = 20422864358400. Its totient is φ = 2038468975488.

The previous prime is 7141321969631. The next prime is 7141321969667. The reversal of 7141321969656 is 6569691231417.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7141321969656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19702480 + ... + 20061663.

It is an arithmetic number, because the mean of its divisors is an integer number (319107255600).

Almost surely, 2^{7141321969656} is an apocalyptic number.

It is an amenable number.

7141321969656 is an abundant number, since it is smaller than the sum of its proper divisors (13281542388744).

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

7141321969656 is a wasteful number, since it uses less digits than its factorization.

7141321969656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39765228 (or 39765224 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 60.

The spelling of 7141321969656 in words is "seven trillion, one hundred forty-one billion, three hundred twenty-one million, nine hundred sixty-nine thousand, six hundred fifty-six".