2100177072869 has 8 divisors (see below), whose sum is σ = 2118925368960. Its totient is φ = 2081431630656.

The previous prime is 2100177072793. The next prime is 2100177072919. The reversal of 2100177072869 is 9682707710012.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2100177072869 - 2³² = 2095882105573 is a prime.

It is a super-2 number, since 2×2100177072869² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100177032869) 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, 778772 + ... + 2192450.

It is an arithmetic number, because the mean of its divisors is an integer number (264865671120).

Almost surely, 2^{2100177072869} is an apocalyptic number.

It is an amenable number.

2100177072869 is a deficient number, since it is larger than the sum of its proper divisors (18748296091).

2100177072869 is a wasteful number, since it uses less digits than its factorization.

2100177072869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426939.

The product of its (nonzero) digits is 592704, while the sum is 50.

The spelling of 2100177072869 in words is "two trillion, one hundred billion, one hundred seventy-seven million, seventy-two thousand, eight hundred sixty-nine".