2640241607 has 2 divisors, whose sum is σ = 2640241608. Its totient is φ = 2640241606.

The previous prime is 2640241579. The next prime is 2640241609. The reversal of 2640241607 is 7061420462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2640241607 - 2⁶ = 2640241543 is a prime.

Together with 2640241609, 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 (2640241609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320120803 + 1320120804.

It is an arithmetic number, because the mean of its divisors is an integer number (1320120804).

Almost surely, 2^2640241607 is an apocalyptic number.

2640241607 is a deficient number, since it is larger than the sum of its proper divisors (1).

2640241607 is an equidigital number, since it uses as much as digits as its factorization.

2640241607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 2640241607 is about 51383.2813958003. The cubic root of 2640241607 is about 1382.1268064996.

The spelling of 2640241607 in words is "two billion, six hundred forty million, two hundred forty-one thousand, six hundred seven".