2045944671135 has 16 divisors (see below), whose sum is σ = 3274555065696. Its totient is φ = 1090822627328.

The previous prime is 2045944671109. The next prime is 2045944671137. The reversal of 2045944671135 is 5311764495402.

It is a cyclic number.

It is not a de Polignac number, because 2045944671135 - 2²⁰ = 2045943622559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045944671137) 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, 21692874 + ... + 21786983.

It is an arithmetic number, because the mean of its divisors is an integer number (204659691606).

Almost surely, 2^{2045944671135} is an apocalyptic number.

2045944671135 is a deficient number, since it is larger than the sum of its proper divisors (1228610394561).

2045944671135 is a wasteful number, since it uses less digits than its factorization.

2045944671135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43483002.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 2045944671135 in words is "two trillion, forty-five billion, nine hundred forty-four million, six hundred seventy-one thousand, one hundred thirty-five".