5161230149 has 2 divisors, whose sum is σ = 5161230150. Its totient is φ = 5161230148.

The previous prime is 5161230121. The next prime is 5161230169. The reversal of 5161230149 is 9410321615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5129137924 + 32092225 = 71618^2 + 5665^2 .

It is a cyclic number.

It is not a de Polignac number, because 5161230149 - 2²⁰ = 5160181573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5161230169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2580615074 + 2580615075.

It is an arithmetic number, because the mean of its divisors is an integer number (2580615075).

Almost surely, 2^5161230149 is an apocalyptic number.

It is an amenable number.

5161230149 is a deficient number, since it is larger than the sum of its proper divisors (1).

5161230149 is an equidigital number, since it uses as much as digits as its factorization.

5161230149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 5161230149 is about 71841.7020190919. The cubic root of 5161230149 is about 1728.1618295379.

The spelling of 5161230149 in words is "five billion, one hundred sixty-one million, two hundred thirty thousand, one hundred forty-nine".