7196621808481 has 16 divisors (see below), whose sum is σ = 8242481666944. Its totient is φ = 6155216313984.

The previous prime is 7196621808457. The next prime is 7196621808559. The reversal of 7196621808481 is 1848081266917.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7196621808481 is a prime.

It is a super-2 number, since 2×7196621808481² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7196621808881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6975691 + ... + 7940623.

It is an arithmetic number, because the mean of its divisors is an integer number (515155104184).

Almost surely, 2^{7196621808481} is an apocalyptic number.

It is an amenable number.

7196621808481 is a deficient number, since it is larger than the sum of its proper divisors (1045859858463).

7196621808481 is a wasteful number, since it uses less digits than its factorization.

7196621808481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967240.

The product of its (nonzero) digits is 9289728, while the sum is 61.

The spelling of 7196621808481 in words is "seven trillion, one hundred ninety-six billion, six hundred twenty-one million, eight hundred eight thousand, four hundred eighty-one".