999707472593 has 2 divisors, whose sum is σ = 999707472594. Its totient is φ = 999707472592.

The previous prime is 999707472581. The next prime is 999707472629. The reversal of 999707472593 is 395274707999.

999707472593 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 897286351504 + 102421121089 = 947252^2 + 320033^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999707472593 is a prime.

It is a super-2 number, since 2×999707472593² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (999707472493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499853736296 + 499853736297.

It is an arithmetic number, because the mean of its divisors is an integer number (499853736297).

Almost surely, 2^999707472593 is an apocalyptic number.

It is an amenable number.

999707472593 is a deficient number, since it is larger than the sum of its proper divisors (1).

999707472593 is an equidigital number, since it uses as much as digits as its factorization.

999707472593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270050760, while the sum is 71.

The spelling of 999707472593 in words is "nine hundred ninety-nine billion, seven hundred seven million, four hundred seventy-two thousand, five hundred ninety-three".