5106661619 has 2 divisors, whose sum is σ = 5106661620. Its totient is φ = 5106661618.

The previous prime is 5106661579. The next prime is 5106661621. The reversal of 5106661619 is 9161666015.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5106661619 is a prime.

It is a super-2 number, since 2×5106661619² = 52155985781935402322, which contains 22 as substring.

Together with 5106661621, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5106666619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2553330809 + 2553330810.

It is an arithmetic number, because the mean of its divisors is an integer number (2553330810).

Almost surely, 2^5106661619 is an apocalyptic number.

5106661619 is a deficient number, since it is larger than the sum of its proper divisors (1).

5106661619 is an equidigital number, since it uses as much as digits as its factorization.

5106661619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 5106661619 is about 71460.9097269269. The cubic root of 5106661619 is about 1722.0497488284.

The spelling of 5106661619 in words is "five billion, one hundred six million, six hundred sixty-one thousand, six hundred nineteen".