2659150661 has 2 divisors, whose sum is σ = 2659150662. Its totient is φ = 2659150660.

The previous prime is 2659150583. The next prime is 2659150667. The reversal of 2659150661 is 1660519562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2508106561 + 151044100 = 50081^2 + 12290^2 .

It is a cyclic number.

It is not a de Polignac number, because 2659150661 - 2¹⁸ = 2658888517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2659150667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1329575330 + 1329575331.

It is an arithmetic number, because the mean of its divisors is an integer number (1329575331).

Almost surely, 2^2659150661 is an apocalyptic number.

It is an amenable number.

2659150661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2659150661 is an equidigital number, since it uses as much as digits as its factorization.

2659150661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 2659150661 is about 51566.9531870945. The cubic root of 2659150661 is about 1385.4184959576.

The spelling of 2659150661 in words is "two billion, six hundred fifty-nine million, one hundred fifty thousand, six hundred sixty-one".