13477140422621 has 4 divisors (see below), whose sum is σ = 13477211678112. Its totient is φ = 13477069167132.

The previous prime is 13477140422609. The next prime is 13477140422671. The reversal of 13477140422621 is 12622404177431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13477140422621 - 2¹⁰ = 13477140421597 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 (13477140422671) 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, 35343281 + ... + 35722566.

It is an arithmetic number, because the mean of its divisors is an integer number (3369302919528).

Almost surely, 2^{13477140422621} is an apocalyptic number.

It is an amenable number.

13477140422621 is a deficient number, since it is larger than the sum of its proper divisors (71255491).

13477140422621 is an equidigital number, since it uses as much as digits as its factorization.

13477140422621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71255490.

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 13477140422621 in words is "thirteen trillion, four hundred seventy-seven billion, one hundred forty million, four hundred twenty-two thousand, six hundred twenty-one".