6994961750401 has 3 divisors (see below), whose sum is σ = 6994964395201. Its totient is φ = 6994959105602.

The previous prime is 6994961750363. The next prime is 6994961750449. The reversal of 6994961750401 is 1040571694996.

The square root of 6994961750401 is 2644799.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 6994961750401 - 2¹⁵ = 6994961717633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6994961750401.

It is not an unprimeable number, because it can be changed into a prime (6994961750461) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1322400 + ... + 3967198.

Almost surely, 2^{6994961750401} is an apocalyptic number.

6994961750401 is the 2644799-th square number.

6994961750401 is the 1322400-th centered octagonal number.

It is an amenable number.

6994961750401 is a deficient number, since it is larger than the sum of its proper divisors (2644800).

6994961750401 is an frugal number, since it uses more digits than its factorization.

6994961750401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5289598 (or 2644799 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 61.

The spelling of 6994961750401 in words is "six trillion, nine hundred ninety-four billion, nine hundred sixty-one million, seven hundred fifty thousand, four hundred one".