2961518687 has 2 divisors, whose sum is σ = 2961518688. Its totient is φ = 2961518686.

The previous prime is 2961518653. The next prime is 2961518689. The reversal of 2961518687 is 7868151692.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2961518687 - 2⁸ = 2961518431 is a prime.

Together with 2961518689, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2961518689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1480759343 + 1480759344.

It is an arithmetic number, because the mean of its divisors is an integer number (1480759344).

Almost surely, 2^2961518687 is an apocalyptic number.

2961518687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2961518687 is an equidigital number, since it uses as much as digits as its factorization.

2961518687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 53.

The square root of 2961518687 is about 54419.8372562800. The cubic root of 2961518687 is about 1436.0563855584.

The spelling of 2961518687 in words is "two billion, nine hundred sixty-one million, five hundred eighteen thousand, six hundred eighty-seven".