2516148389 has 2 divisors, whose sum is σ = 2516148390. Its totient is φ = 2516148388.

The previous prime is 2516148367. The next prime is 2516148413. The reversal of 2516148389 is 9838416152.

It is a happy number.

2516148389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2445302500 + 70845889 = 49450^2 + 8417^2 .

It is a cyclic number.

It is not a de Polignac number, because 2516148389 - 2⁸ = 2516148133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2516148689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258074194 + 1258074195.

It is an arithmetic number, because the mean of its divisors is an integer number (1258074195).

Almost surely, 2^2516148389 is an apocalyptic number.

It is an amenable number.

2516148389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2516148389 is an equidigital number, since it uses as much as digits as its factorization.

2516148389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 47.

The square root of 2516148389 is about 50161.2239583525. The cubic root of 2516148389 is about 1360.1247703075.

The spelling of 2516148389 in words is "two billion, five hundred sixteen million, one hundred forty-eight thousand, three hundred eighty-nine".