100190018969 has 2 divisors, whose sum is σ = 100190018970. Its totient is φ = 100190018968.

The previous prime is 100190018941. The next prime is 100190019019. The reversal of 100190018969 is 969810091001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79418003344 + 20772015625 = 281812^2 + 144125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100190018969 is a prime.

It is a super-2 number, since 2×100190018969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100190018869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50095009484 + 50095009485.

It is an arithmetic number, because the mean of its divisors is an integer number (50095009485).

Almost surely, 2^100190018969 is an apocalyptic number.

It is an amenable number.

100190018969 is a deficient number, since it is larger than the sum of its proper divisors (1).

100190018969 is an equidigital number, since it uses as much as digits as its factorization.

100190018969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 44.

The spelling of 100190018969 in words is "one hundred billion, one hundred ninety million, eighteen thousand, nine hundred sixty-nine".