2591493607 has 2 divisors, whose sum is σ = 2591493608. Its totient is φ = 2591493606.

The previous prime is 2591493589. The next prime is 2591493637. The reversal of 2591493607 is 7063941952.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2591493607 - 2¹⁹ = 2590969319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2591493637) 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, 1295746803 + 1295746804.

It is an arithmetic number, because the mean of its divisors is an integer number (1295746804).

Almost surely, 2^2591493607 is an apocalyptic number.

2591493607 is a deficient number, since it is larger than the sum of its proper divisors (1).

2591493607 is an equidigital number, since it uses as much as digits as its factorization.

2591493607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 2591493607 is about 50906.7147535568. The cubic root of 2591493607 is about 1373.5676291761.

It can be divided in two parts, 2591493 and 607, that added together give a square (2592100 = 1610²).

The spelling of 2591493607 in words is "two billion, five hundred ninety-one million, four hundred ninety-three thousand, six hundred seven".