5155344217 has 2 divisors, whose sum is σ = 5155344218. Its totient is φ = 5155344216.

The previous prime is 5155344211. The next prime is 5155344247. The reversal of 5155344217 is 7124435515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2996905536 + 2158438681 = 54744^2 + 46459^2 .

It is a cyclic number.

It is not a de Polignac number, because 5155344217 - 2²³ = 5146955609 is a prime.

It is not a weakly prime, because it can be changed into another prime (5155344211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2577672108 + 2577672109.

It is an arithmetic number, because the mean of its divisors is an integer number (2577672109).

Almost surely, 2^5155344217 is an apocalyptic number.

It is an amenable number.

5155344217 is a deficient number, since it is larger than the sum of its proper divisors (1).

5155344217 is an equidigital number, since it uses as much as digits as its factorization.

5155344217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84000, while the sum is 37.

The square root of 5155344217 is about 71800.7257414575. The cubic root of 5155344217 is about 1727.5046404654.

The spelling of 5155344217 in words is "five billion, one hundred fifty-five million, three hundred forty-four thousand, two hundred seventeen".