2169853247 has 2 divisors, whose sum is σ = 2169853248. Its totient is φ = 2169853246.

The previous prime is 2169853243. The next prime is 2169853249. The reversal of 2169853247 is 7423589612.

2169853247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2169853247 - 2² = 2169853243 is a prime.

It is a super-2 number, since 2×2169853247² = 9416526227032886018, which contains 22 as substring.

Together with 2169853249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2169853243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1084926623 + 1084926624.

It is an arithmetic number, because the mean of its divisors is an integer number (1084926624).

Almost surely, 2^2169853247 is an apocalyptic number.

2169853247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2169853247 is an equidigital number, since it uses as much as digits as its factorization.

2169853247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 47.

The square root of 2169853247 is about 46581.6835998872. The cubic root of 2169853247 is about 1294.6234047529.

The spelling of 2169853247 in words is "two billion, one hundred sixty-nine million, eight hundred fifty-three thousand, two hundred forty-seven".