6990712496641 has 4 divisors (see below), whose sum is σ = 6990731032000. Its totient is φ = 6990693961284.

The previous prime is 6990712496527. The next prime is 6990712496653. The reversal of 6990712496641 is 1466942170996.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6990712496641 - 2¹⁹ = 6990711972353 is a prime.

It is a super-2 number, since 2×6990712496641² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6990712496671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8689941 + ... + 9460258.

It is an arithmetic number, because the mean of its divisors is an integer number (1747682758000).

Almost surely, 2^{6990712496641} is an apocalyptic number.

It is an amenable number.

6990712496641 is a deficient number, since it is larger than the sum of its proper divisors (18535359).

6990712496641 is a wasteful number, since it uses less digits than its factorization.

6990712496641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18535358.

The product of its (nonzero) digits is 35271936, while the sum is 64.

The spelling of 6990712496641 in words is "six trillion, nine hundred ninety billion, seven hundred twelve million, four hundred ninety-six thousand, six hundred forty-one".