13441552514021 has 4 divisors (see below), whose sum is σ = 13441580783532. Its totient is φ = 13441524244512.

The previous prime is 13441552514017. The next prime is 13441552514051. The reversal of 13441552514021 is 12041525514431.

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 350362183396 + 13091190330625 = 591914^2 + 3618175^2 .

It is a cyclic number.

It is not a de Polignac number, because 13441552514021 - 2² = 13441552514017 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 (13441552514051) 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, 13409120 + ... + 14376633.

It is an arithmetic number, because the mean of its divisors is an integer number (3360395195883).

Almost surely, 2^{13441552514021} is an apocalyptic number.

It is an amenable number.

13441552514021 is a deficient number, since it is larger than the sum of its proper divisors (28269511).

13441552514021 is an equidigital number, since it uses as much as digits as its factorization.

13441552514021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28269510.

The product of its (nonzero) digits is 96000, while the sum is 38.

The spelling of 13441552514021 in words is "thirteen trillion, four hundred forty-one billion, five hundred fifty-two million, five hundred fourteen thousand, twenty-one".