2045069646731 has 8 divisors (see below), whose sum is σ = 2139706868640. Its totient is φ = 1950909187392.

The previous prime is 2045069646727. The next prime is 2045069646751. The reversal of 2045069646731 is 1376469605402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2045069646731 - 2² = 2045069646727 is a prime.

It is a super-2 number, since 2×2045069646731² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045069646751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119181866 + ... + 119199023.

It is an arithmetic number, because the mean of its divisors is an integer number (267463358580).

Almost surely, 2^{2045069646731} is an apocalyptic number.

2045069646731 is a deficient number, since it is larger than the sum of its proper divisors (94637221909).

2045069646731 is a wasteful number, since it uses less digits than its factorization.

2045069646731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238381285.

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 2045069646731 in words is "two trillion, forty-five billion, sixty-nine million, six hundred forty-six thousand, seven hundred thirty-one".