5421573616361 has 4 divisors (see below), whose sum is σ = 6196084132992. Its totient is φ = 4647063099732.

The previous prime is 5421573616331. The next prime is 5421573616387. The reversal of 5421573616361 is 1636163751245.

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 a de Polignac number, because none of the positive numbers 2^k-5421573616361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5421573616331) 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, 387255258305 + ... + 387255258318.

It is an arithmetic number, because the mean of its divisors is an integer number (1549021033248).

Almost surely, 2^{5421573616361} is an apocalyptic number.

It is an amenable number.

5421573616361 is a deficient number, since it is larger than the sum of its proper divisors (774510516631).

5421573616361 is an equidigital number, since it uses as much as digits as its factorization.

5421573616361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774510516630.

The product of its digits is 2721600, while the sum is 50.

The spelling of 5421573616361 in words is "five trillion, four hundred twenty-one billion, five hundred seventy-three million, six hundred sixteen thousand, three hundred sixty-one".