4274605665 has 24 divisors (see below), whose sum is σ = 8082891648. Its totient is φ = 2072535840.

The previous prime is 4274605639. The next prime is 4274605733. The reversal of 4274605665 is 5665064724.

4274605665 is a `hidden beast` number, since 4 + 27 + 4 + 60 + 566 + 5 = 666.

It is not a de Polignac number, because 4274605665 - 2¹³ = 4274597473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4274605665.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4317289 + ... + 4318278.

It is an arithmetic number, because the mean of its divisors is an integer number (336787152).

Almost surely, 2^4274605665 is an apocalyptic number.

4274605665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4274605665 is a deficient number, since it is larger than the sum of its proper divisors (3808285983).

4274605665 is a wasteful number, since it uses less digits than its factorization.

4274605665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8635589 (or 8635586 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The square root of 4274605665 is about 65380.4685284527. The cubic root of 4274605665 is about 1622.9258795160.

The spelling of 4274605665 in words is "four billion, two hundred seventy-four million, six hundred five thousand, six hundred sixty-five".