15640424730607 has 2 divisors, whose sum is σ = 15640424730608. Its totient is φ = 15640424730606.

The previous prime is 15640424730583. The next prime is 15640424730629. The reversal of 15640424730607 is 70603742404651.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15640424730607 - 2¹⁵ = 15640424697839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15640424734607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7820212365303 + 7820212365304.

It is an arithmetic number, because the mean of its divisors is an integer number (7820212365304).

Almost surely, 2^{15640424730607} is an apocalyptic number.

15640424730607 is a deficient number, since it is larger than the sum of its proper divisors (1).

15640424730607 is an equidigital number, since it uses as much as digits as its factorization.

15640424730607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 15640424730607 in words is "fifteen trillion, six hundred forty billion, four hundred twenty-four million, seven hundred thirty thousand, six hundred seven".