993519672247 has 16 divisors (see below), whose sum is σ = 1072625172480. Its totient is φ = 917416376800.

The previous prime is 993519672217. The next prime is 993519672269. The reversal of 993519672247 is 742276915399.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-993519672247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993519672217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4501872 + ... + 4717402.

It is an arithmetic number, because the mean of its divisors is an integer number (67039073280).

Almost surely, 2^993519672247 is an apocalyptic number.

993519672247 is a deficient number, since it is larger than the sum of its proper divisors (79105500233).

993519672247 is a wasteful number, since it uses less digits than its factorization.

993519672247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222494.

The product of its digits is 51438240, while the sum is 64.

The spelling of 993519672247 in words is "nine hundred ninety-three billion, five hundred nineteen million, six hundred seventy-two thousand, two hundred forty-seven".