3874744222969 has 9 divisors (see below), whose sum is σ = 3982372241421. Its totient is φ = 3769950542400.

The previous prime is 3874744222961. The next prime is 3874744223003. The reversal of 3874744222969 is 9692224474783.

The square root of 3874744222969 is 1968437.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1834954706025 + 2039789516944 = 1354605^2 + 1428212^2 .

It is not a de Polignac number, because 3874744222969 - 2³ = 3874744222961 is a prime.

It is a super-2 number, since 2×3874744222969² (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 (3874744222961) 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, 72805569 + ... + 72858769.

Almost surely, 2^{3874744222969} is an apocalyptic number.

3874744222969 is the 1968437-th square number.

3874744222969 is the 984219-th centered octagonal number.

It is an amenable number.

3874744222969 is a deficient number, since it is larger than the sum of its proper divisors (107628018452).

3874744222969 is an frugal number, since it uses more digits than its factorization.

3874744222969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106476 (or 53238 counting only the distinct ones).

The product of its digits is 292626432, while the sum is 67.

The spelling of 3874744222969 in words is "three trillion, eight hundred seventy-four billion, seven hundred forty-four million, two hundred twenty-two thousand, nine hundred sixty-nine".