2135169272899 has 32 divisors (see below), whose sum is σ = 2373384581568. Its totient is φ = 1908306432000.

The previous prime is 2135169272897. The next prime is 2135169272903. The reversal of 2135169272899 is 9982729615312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2135169272899 - 2¹ = 2135169272897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2135169272899.

It is not an unprimeable number, because it can be changed into a prime (2135169272893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37608364 + ... + 37665094.

It is an arithmetic number, because the mean of its divisors is an integer number (74168268174).

Almost surely, 2^{2135169272899} is an apocalyptic number.

2135169272899 is a deficient number, since it is larger than the sum of its proper divisors (238215308669).

2135169272899 is a wasteful number, since it uses less digits than its factorization.

2135169272899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57319.

The product of its digits is 29393280, while the sum is 64.

The spelling of 2135169272899 in words is "two trillion, one hundred thirty-five billion, one hundred sixty-nine million, two hundred seventy-two thousand, eight hundred ninety-nine".