2169137097 has 16 divisors (see below), whose sum is σ = 3219266880. Its totient is φ = 1443512736.

The previous prime is 2169137093. The next prime is 2169137119. The reversal of 2169137097 is 7907319612.

It is not a de Polignac number, because 2169137097 - 2² = 2169137093 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2169137093) 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, 56148 + ... + 86549.

It is an arithmetic number, because the mean of its divisors is an integer number (201204180).

Almost surely, 2^2169137097 is an apocalyptic number.

2169137097 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2169137097 is a deficient number, since it is larger than the sum of its proper divisors (1050129783).

2169137097 is a wasteful number, since it uses less digits than its factorization.

2169137097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143269 (or 143263 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 2169137097 is about 46573.9959312061. The cubic root of 2169137097 is about 1294.4809609308.

The spelling of 2169137097 in words is "two billion, one hundred sixty-nine million, one hundred thirty-seven thousand, ninety-seven".