13014077722421 has 4 divisors (see below), whose sum is σ = 13014118693644. Its totient is φ = 13014036751200.

The previous prime is 13014077722411. The next prime is 13014077722433. The reversal of 13014077722421 is 12422777041031.

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 10932446280625 + 2081631441796 = 3306425^2 + 1442786^2 .

It is a cyclic number.

It is not a de Polignac number, because 13014077722421 - 2⁶ = 13014077722357 is a prime.

It is a super-2 number, since 2×13014077722421² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13014077722411) 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, 20005400 + ... + 20645681.

It is an arithmetic number, because the mean of its divisors is an integer number (3253529673411).

Almost surely, 2^{13014077722421} is an apocalyptic number.

It is an amenable number.

13014077722421 is a deficient number, since it is larger than the sum of its proper divisors (40971223).

13014077722421 is an equidigital number, since it uses as much as digits as its factorization.

13014077722421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40971222.

The product of its (nonzero) digits is 131712, while the sum is 41.

The spelling of 13014077722421 in words is "thirteen trillion, fourteen billion, seventy-seven million, seven hundred twenty-two thousand, four hundred twenty-one".