6997622671204 has 135 divisors (see below), whose sum is σ = 14331611726985. Its totient is φ = 2988979635840.

The previous prime is 6997622671201. The next prime is 6997622671219. The reversal of 6997622671204 is 4021762267996.

It is a happy number.

The square root of 6997622671204 is 2645302.

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

It can be written as a sum of positive squares in only one way, i.e., 5447976128100 + 1549646543104 = 2334090^2 + 1244848^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6997622671201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 10882772107 + ... + 10882772749.

Almost surely, 2^{6997622671204} is an apocalyptic number.

6997622671204 is the 2645302-nd square number.

It is an amenable number.

6997622671204 is an abundant number, since it is smaller than the sum of its proper divisors (7333989055781).

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

6997622671204 is an frugal number, since it uses more digits than its factorization.

6997622671204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 61.

The spelling of 6997622671204 in words is "six trillion, nine hundred ninety-seven billion, six hundred twenty-two million, six hundred seventy-one thousand, two hundred four".