100100199973 has 2 divisors, whose sum is σ = 100100199974. Its totient is φ = 100100199972.

The previous prime is 100100199967. The next prime is 100100200019. The reversal of 100100199973 is 379991001001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65675850529 + 34424349444 = 256273^2 + 185538^2 .

It is a cyclic number.

It is not a de Polignac number, because 100100199973 - 2⁹ = 100100199461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100100199943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50050099986 + 50050099987.

It is an arithmetic number, because the mean of its divisors is an integer number (50050099987).

Almost surely, 2^100100199973 is an apocalyptic number.

It is an amenable number.

100100199973 is a deficient number, since it is larger than the sum of its proper divisors (1).

100100199973 is an equidigital number, since it uses as much as digits as its factorization.

100100199973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15309, while the sum is 40.

The spelling of 100100199973 in words is "one hundred billion, one hundred million, one hundred ninety-nine thousand, nine hundred seventy-three".