2651380687 has 2 divisors, whose sum is σ = 2651380688. Its totient is φ = 2651380686.

The previous prime is 2651380663. The next prime is 2651380691. The reversal of 2651380687 is 7860831562.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2651380687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2651383687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325690343 + 1325690344.

It is an arithmetic number, because the mean of its divisors is an integer number (1325690344).

Almost surely, 2^2651380687 is an apocalyptic number.

2651380687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2651380687 is an equidigital number, since it uses as much as digits as its factorization.

2651380687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 2651380687 is about 51491.5593762706. The cubic root of 2651380687 is about 1384.0677930682.

The spelling of 2651380687 in words is "two billion, six hundred fifty-one million, three hundred eighty thousand, six hundred eighty-seven".