2169435497 has 4 divisors (see below), whose sum is σ = 2169542016. Its totient is φ = 2169328980.

The previous prime is 2169435493. The next prime is 2169435517. The reversal of 2169435497 is 7945349612.

2169435497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2169435497 - 2² = 2169435493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2169435493) 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, 12113 + ... + 66974.

It is an arithmetic number, because the mean of its divisors is an integer number (542385504).

Almost surely, 2^2169435497 is an apocalyptic number.

It is an amenable number.

2169435497 is a deficient number, since it is larger than the sum of its proper divisors (106519).

2169435497 is an equidigital number, since it uses as much as digits as its factorization.

2169435497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106518.

The product of its digits is 1632960, while the sum is 50.

The square root of 2169435497 is about 46577.1993254210. The cubic root of 2169435497 is about 1294.5403171617.

The spelling of 2169435497 in words is "two billion, one hundred sixty-nine million, four hundred thirty-five thousand, four hundred ninety-seven".