4517212655 has 4 divisors (see below), whose sum is σ = 5420655192. Its totient is φ = 3613770120.

The previous prime is 4517212633. The next prime is 4517212663. The reversal of 4517212655 is 5562127154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5562127154 = 2 ⋅2781063577.

It is not a de Polignac number, because 4517212655 - 2²² = 4513018351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451721261 + ... + 451721270.

It is an arithmetic number, because the mean of its divisors is an integer number (1355163798).

Almost surely, 2^4517212655 is an apocalyptic number.

4517212655 is a deficient number, since it is larger than the sum of its proper divisors (903442537).

4517212655 is an equidigital number, since it uses as much as digits as its factorization.

4517212655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903442536.

The product of its digits is 84000, while the sum is 38.

The square root of 4517212655 is about 67210.2124308501. The cubic root of 4517212655 is about 1653.0659438167.

The spelling of 4517212655 in words is "four billion, five hundred seventeen million, two hundred twelve thousand, six hundred fifty-five".