2170910506801 has 9 divisors (see below), whose sum is σ = 2177159416761. Its totient is φ = 2164679493972.

The previous prime is 2170910506781. The next prime is 2170910506819. The reversal of 2170910506801 is 1086050190712.

It is a happy number.

The square root of 2170910506801 is 1473401.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2^k-2170910506801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2170910506001) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 564310660 + ... + 564314506.

Almost surely, 2^{2170910506801} is an apocalyptic number.

2170910506801 is the 1473401-st square number.

2170910506801 is the 736701-st centered octagonal number.

It is an amenable number.

2170910506801 is a deficient number, since it is larger than the sum of its proper divisors (6248909960).

2170910506801 is an frugal number, since it uses more digits than its factorization.

2170910506801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8460 (or 4230 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 40.

The spelling of 2170910506801 in words is "two trillion, one hundred seventy billion, nine hundred ten million, five hundred six thousand, eight hundred one".