2514664391 has 2 divisors, whose sum is σ = 2514664392. Its totient is φ = 2514664390.

The previous prime is 2514664349. The next prime is 2514664403. The reversal of 2514664391 is 1934664152.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2514664391 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2514664291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257332195 + 1257332196.

It is an arithmetic number, because the mean of its divisors is an integer number (1257332196).

Almost surely, 2^2514664391 is an apocalyptic number.

2514664391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2514664391 is an equidigital number, since it uses as much as digits as its factorization.

2514664391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 41.

The square root of 2514664391 is about 50146.4294940328. The cubic root of 2514664391 is about 1359.8573219338.

The spelling of 2514664391 in words is "two billion, five hundred fourteen million, six hundred sixty-four thousand, three hundred ninety-one".