17900000999983 has 2 divisors, whose sum is σ = 17900000999984. Its totient is φ = 17900000999982.

The previous prime is 17900000999941. The next prime is 17900001000047. The reversal of 17900000999983 is 38999900000971.

It is an a-pointer prime, because the next prime (17900001000047) can be obtained adding 17900000999983 to its sum of digits (64).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17900000999983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17900000699983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8950000499991 + 8950000499992.

It is an arithmetic number, because the mean of its divisors is an integer number (8950000499992).

Almost surely, 2^{17900000999983} is an apocalyptic number.

17900000999983 is a deficient number, since it is larger than the sum of its proper divisors (1).

17900000999983 is an equidigital number, since it uses as much as digits as its factorization.

17900000999983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9920232, while the sum is 64.

The spelling of 17900000999983 in words is "seventeen trillion, nine hundred billion, nine hundred ninety-nine thousand, nine hundred eighty-three".