2101170497 has 4 divisors (see below), whose sum is σ = 2192525760. Its totient is φ = 2009815236.

The previous prime is 2101170479. The next prime is 2101170517. The reversal of 2101170497 is 7940711012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2101170497 - 2⁶ = 2101170433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101170397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45677597 + ... + 45677642.

It is an arithmetic number, because the mean of its divisors is an integer number (548131440).

Almost surely, 2^2101170497 is an apocalyptic number.

It is an amenable number.

2101170497 is a deficient number, since it is larger than the sum of its proper divisors (91355263).

2101170497 is an equidigital number, since it uses as much as digits as its factorization.

2101170497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91355262.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 2101170497 is about 45838.5263397505. The cubic root of 2101170497 is about 1280.8170436651.

The spelling of 2101170497 in words is "two billion, one hundred one million, one hundred seventy thousand, four hundred ninety-seven".