374131625569 has 9 divisors (see below), whose sum is σ = 405133388499. Its totient is φ = 345344929800.

The previous prime is 374131625561. The next prime is 374131625579. The reversal of 374131625569 is 965526131473.

The square root of 374131625569 is 611663.

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., 55344915025 + 318786710544 = 235255^2 + 564612^2 .

It is not a de Polignac number, because 374131625569 - 2³ = 374131625561 is a prime.

It is a super-2 number, since 2×374131625569² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (374131625561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7928094 + ... + 7975144.

Almost surely, 2^374131625569 is an apocalyptic number.

374131625569 is the 611663-rd square number.

374131625569 is the 305832-nd centered octagonal number.

It is an amenable number.

374131625569 is a deficient number, since it is larger than the sum of its proper divisors (31001762930).

374131625569 is an frugal number, since it uses more digits than its factorization.

374131625569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94128 (or 47064 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 52.

The spelling of 374131625569 in words is "three hundred seventy-four billion, one hundred thirty-one million, six hundred twenty-five thousand, five hundred sixty-nine".