274537225369 has 81 divisors (see below), whose sum is σ = 336013828479. Its totient is φ = 224088495840.

The previous prime is 274537225343. The next prime is 274537225373. The reversal of 274537225369 is 963522735472.

The square root of 274537225369 is 523963.

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., 191351128969 + 83186096400 = 437437^2 + 288420^2 .

It is a de Polignac number, because none of the positive numbers 2^k-274537225369 is a prime.

It is a super-2 number, since 2×274537225369² (a number of 24 digits) contains 22 as substring.

Its product of digits (19051200) is a multiple of the sum of its prime divisors (162).

It is not an unprimeable number, because it can be changed into a prime (274537225379) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 2518690087 + ... + 2518690195.

Almost surely, 2^274537225369 is an apocalyptic number.

274537225369 is the 523963-rd square number.

274537225369 is the 261982-nd centered octagonal number.

It is an amenable number.

274537225369 is a deficient number, since it is larger than the sum of its proper divisors (61476603110).

274537225369 is a wasteful number, since it uses less digits than its factorization.

274537225369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 162 counting only the distinct ones).

The product of its digits is 19051200, while the sum is 55.

The spelling of 274537225369 in words is "two hundred seventy-four billion, five hundred thirty-seven million, two hundred twenty-five thousand, three hundred sixty-nine".