2640234599 has 2 divisors, whose sum is σ = 2640234600. Its totient is φ = 2640234598.

The previous prime is 2640234593. The next prime is 2640234643. The reversal of 2640234599 is 9954320462.

It is an a-pointer prime, because the next prime (2640234643) can be obtained adding 2640234599 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2640234599 - 2¹² = 2640230503 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 (2640234593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320117299 + 1320117300.

It is an arithmetic number, because the mean of its divisors is an integer number (1320117300).

Almost surely, 2^2640234599 is an apocalyptic number.

2640234599 is a deficient number, since it is larger than the sum of its proper divisors (1).

2640234599 is an equidigital number, since it uses as much as digits as its factorization.

2640234599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 44.

The square root of 2640234599 is about 51383.2132023680. The cubic root of 2640234599 is about 1382.1255836376.

The spelling of 2640234599 in words is "two billion, six hundred forty million, two hundred thirty-four thousand, five hundred ninety-nine".