6944474046169 has 9 divisors (see below), whose sum is σ = 7633214078581. Its totient is φ = 6313131871420.

The previous prime is 6944474046157. The next prime is 6944474046179. The reversal of 6944474046169 is 9616404744496.

The square root of 6944474046169 is 2635237.

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

It is not a de Polignac number, because 6944474046169 - 2³³ = 6935884111577 is a prime.

It is a super-2 number, since 2×6944474046169² (a number of 26 digits) contains 22 as substring.

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 6944474046169.

It is not an unprimeable number, because it can be changed into a prime (6944474046179) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 28867824 + ... + 29107390.

Almost surely, 2^{6944474046169} is an apocalyptic number.

6944474046169 is the 2635237-th square number.

6944474046169 is the 1317619-th centered octagonal number.

It is an amenable number.

6944474046169 is a deficient number, since it is larger than the sum of its proper divisors (688740032412).

6944474046169 is an frugal number, since it uses more digits than its factorization.

6944474046169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479156 (or 239578 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 64.

Multiplying 6944474046169 by its sum of digits (64), we get a square (444446338954816 = 21081896²).

The spelling of 6944474046169 in words is "six trillion, nine hundred forty-four billion, four hundred seventy-four million, forty-six thousand, one hundred sixty-nine".