2134745221899 has 16 divisors (see below), whose sum is σ = 3013824978720. Its totient is φ = 1339418196480.

The previous prime is 2134745221897. The next prime is 2134745221907. The reversal of 2134745221899 is 9981225474312.

It is not a de Polignac number, because 2134745221899 - 2¹ = 2134745221897 is a prime.

It is a super-2 number, since 2×2134745221899² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2134745221891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1974717 + ... + 2858145.

It is an arithmetic number, because the mean of its divisors is an integer number (188364061170).

Almost surely, 2^{2134745221899} is an apocalyptic number.

2134745221899 is a deficient number, since it is larger than the sum of its proper divisors (879079756821).

2134745221899 is a wasteful number, since it uses less digits than its factorization.

2134745221899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930830.

The product of its digits is 8709120, while the sum is 57.

The spelling of 2134745221899 in words is "two trillion, one hundred thirty-four billion, seven hundred forty-five million, two hundred twenty-one thousand, eight hundred ninety-nine".