2170453409 has 16 divisors (see below), whose sum is σ = 2292796800. Its totient is φ = 2051664384.

The previous prime is 2170453387. The next prime is 2170453421. The reversal of 2170453409 is 9043540712.

2170453409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2170453409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2170453459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321137 + ... + 327825.

It is an arithmetic number, because the mean of its divisors is an integer number (143299800).

Almost surely, 2^2170453409 is an apocalyptic number.

2170453409 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2170453409 is a deficient number, since it is larger than the sum of its proper divisors (122343391).

2170453409 is a wasteful number, since it uses less digits than its factorization.

2170453409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6952.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 2170453409 is about 46588.1251930146. The cubic root of 2170453409 is about 1294.7427541680.

The spelling of 2170453409 in words is "two billion, one hundred seventy million, four hundred fifty-three thousand, four hundred nine".