274505664249 has 12 divisors (see below), whose sum is σ = 396515246400. Its totient is φ = 183000515544.

The previous prime is 274505664229. The next prime is 274505664281. The reversal of 274505664249 is 942466505472.

274505664249 is a `hidden beast` number, since 2 + 7 + 4 + 50 + 566 + 4 + 24 + 9 = 666.

It is not a de Polignac number, because 274505664249 - 2¹² = 274505660153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 274505664195 and 274505664204.

It is not an unprimeable number, because it can be changed into a prime (274505664229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 332092 + ... + 811970.

It is an arithmetic number, because the mean of its divisors is an integer number (33042937200).

Almost surely, 2^274505664249 is an apocalyptic number.

It is an amenable number.

274505664249 is a deficient number, since it is larger than the sum of its proper divisors (122009582151).

274505664249 is a wasteful number, since it uses less digits than its factorization.

274505664249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543444 (or 543441 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 54.

The spelling of 274505664249 in words is "two hundred seventy-four billion, five hundred five million, six hundred sixty-four thousand, two hundred forty-nine".