13640572007 has 2 divisors, whose sum is σ = 13640572008. Its totient is φ = 13640572006.

The previous prime is 13640571977. The next prime is 13640572019. The reversal of 13640572007 is 70027504631.

13640572007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13640572007 - 2⁶ = 13640571943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13640572087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6820286003 + 6820286004.

It is an arithmetic number, because the mean of its divisors is an integer number (6820286004).

Almost surely, 2^13640572007 is an apocalyptic number.

13640572007 is a deficient number, since it is larger than the sum of its proper divisors (1).

13640572007 is an equidigital number, since it uses as much as digits as its factorization.

13640572007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 13640572007 in words is "thirteen billion, six hundred forty million, five hundred seventy-two thousand, seven".