100190018869 has 2 divisors, whose sum is σ = 100190018870. Its totient is φ = 100190018868.

The previous prime is 100190018849. The next prime is 100190018881. The reversal of 100190018869 is 968810091001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99153822769 + 1036196100 = 314887^2 + 32190^2 .

It is a cyclic number.

It is not a de Polignac number, because 100190018869 - 2⁵ = 100190018837 is a prime.

It is a super-2 number, since 2×100190018869² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100190018849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50095009434 + 50095009435.

It is an arithmetic number, because the mean of its divisors is an integer number (50095009435).

Almost surely, 2^100190018869 is an apocalyptic number.

It is an amenable number.

100190018869 is a deficient number, since it is larger than the sum of its proper divisors (1).

100190018869 is an equidigital number, since it uses as much as digits as its factorization.

100190018869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 43.

The spelling of 100190018869 in words is "one hundred billion, one hundred ninety million, eighteen thousand, eight hundred sixty-nine".