109018005973 has 2 divisors, whose sum is σ = 109018005974. Its totient is φ = 109018005972.

The previous prime is 109018005959. The next prime is 109018006057. The reversal of 109018005973 is 379500810901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104867811889 + 4150194084 = 323833^2 + 64422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109018005973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109018008973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54509002986 + 54509002987.

It is an arithmetic number, because the mean of its divisors is an integer number (54509002987).

Almost surely, 2^109018005973 is an apocalyptic number.

It is an amenable number.

109018005973 is a deficient number, since it is larger than the sum of its proper divisors (1).

109018005973 is an equidigital number, since it uses as much as digits as its factorization.

109018005973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 43.

The spelling of 109018005973 in words is "one hundred nine billion, eighteen million, five thousand, nine hundred seventy-three".