100038785969 has 2 divisors, whose sum is σ = 100038785970. Its totient is φ = 100038785968.

The previous prime is 100038785963. The next prime is 100038785981. The reversal of 100038785969 is 969587830001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56634480400 + 43404305569 = 237980^2 + 208337^2 .

It is a cyclic number.

It is not a de Polignac number, because 100038785969 - 2¹⁶ = 100038720433 is a prime.

It is a super-2 number, since 2×100038785969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100038785963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50019392984 + 50019392985.

It is an arithmetic number, because the mean of its divisors is an integer number (50019392985).

Almost surely, 2^100038785969 is an apocalyptic number.

It is an amenable number.

100038785969 is a deficient number, since it is larger than the sum of its proper divisors (1).

100038785969 is an equidigital number, since it uses as much as digits as its factorization.

100038785969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The spelling of 100038785969 in words is "one hundred billion, thirty-eight million, seven hundred eighty-five thousand, nine hundred sixty-nine".