13804045060621 has 4 divisors (see below), whose sum is σ = 13946354803612. Its totient is φ = 13661735317632.

The previous prime is 13804045060607. The next prime is 13804045060627. The reversal of 13804045060621 is 12606054040831.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6876299952900 + 6927745107721 = 2622270^2 + 2632061^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13804045060621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13804045060627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71154871350 + ... + 71154871543.

It is an arithmetic number, because the mean of its divisors is an integer number (3486588700903).

Almost surely, 2^{13804045060621} is an apocalyptic number.

It is an amenable number.

13804045060621 is a deficient number, since it is larger than the sum of its proper divisors (142309742991).

13804045060621 is an equidigital number, since it uses as much as digits as its factorization.

13804045060621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142309742990.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 13804045060621 in words is "thirteen trillion, eight hundred four billion, forty-five million, sixty thousand, six hundred twenty-one".