2501151689 has 2 divisors, whose sum is σ = 2501151690. Its totient is φ = 2501151688.

The previous prime is 2501151649. The next prime is 2501151713. The reversal of 2501151689 is 9861511052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1479710089 + 1021441600 = 38467^2 + 31960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2501151689 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2501151619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250575844 + 1250575845.

It is an arithmetic number, because the mean of its divisors is an integer number (1250575845).

Almost surely, 2^2501151689 is an apocalyptic number.

It is an amenable number.

2501151689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2501151689 is an equidigital number, since it uses as much as digits as its factorization.

2501151689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 38.

The square root of 2501151689 is about 50011.5155639179. The cubic root of 2501151689 is about 1357.4171872964.

The spelling of 2501151689 in words is "two billion, five hundred one million, one hundred fifty-one thousand, six hundred eighty-nine".