100000999969 has 8 divisors (see below), whose sum is σ = 107695971432. Its totient is φ = 92306398080.

The previous prime is 100000999951. The next prime is 100000999981. The reversal of 100000999969 is 969999000001.

It can be written as a sum of positive squares in 4 ways, for example, as 2227840000 + 97773159969 = 47200^2 + 312687^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100000999969 - 2⁹ = 100000999457 is a prime.

It is a super-2 number, since 2×100000999969² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100000999919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762879 + ... + 884299.

It is an arithmetic number, because the mean of its divisors is an integer number (13461996429).

Almost surely, 2^100000999969 is an apocalyptic number.

It is an amenable number.

100000999969 is a deficient number, since it is larger than the sum of its proper divisors (7694971463).

100000999969 is a wasteful number, since it uses less digits than its factorization.

100000999969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184787.

The product of its (nonzero) digits is 354294, while the sum is 52.

The spelling of 100000999969 in words is "one hundred billion, nine hundred ninety-nine thousand, nine hundred sixty-nine".