993630927393 has 16 divisors (see below), whose sum is σ = 1585280112640. Its totient is φ = 611465185872.

The previous prime is 993630927371. The next prime is 993630927437. The reversal of 993630927393 is 393729036399.

It is not a de Polignac number, because 993630927393 - 2¹³ = 993630919201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 993630927393.

It is not an unprimeable number, because it can be changed into a prime (993630920393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1415428321 + ... + 1415429022.

It is an arithmetic number, because the mean of its divisors is an integer number (99080007040).

Almost surely, 2^993630927393 is an apocalyptic number.

It is an amenable number.

993630927393 is a deficient number, since it is larger than the sum of its proper divisors (591649185247).

993630927393 is a wasteful number, since it uses less digits than its factorization.

993630927393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830857365 (or 2830857359 counting only the distinct ones).

The product of its (nonzero) digits is 44641044, while the sum is 63.

The spelling of 993630927393 in words is "nine hundred ninety-three billion, six hundred thirty million, nine hundred twenty-seven thousand, three hundred ninety-three".