5421655315331 has 4 divisors (see below), whose sum is σ = 5427093285552. Its totient is φ = 5416217345112.

The previous prime is 5421655315253. The next prime is 5421655315337. The reversal of 5421655315331 is 1335135561245.

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

It is a cyclic number.

It is not a de Polignac number, because 5421655315331 - 2¹⁸ = 5421655053187 is a prime.

It is a super-2 number, since 2×5421655315331² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5421655315337) 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, 2718983615 + ... + 2718985608.

It is an arithmetic number, because the mean of its divisors is an integer number (1356773321388).

Almost surely, 2^{5421655315331} is an apocalyptic number.

5421655315331 is a deficient number, since it is larger than the sum of its proper divisors (5437970221).

5421655315331 is an equidigital number, since it uses as much as digits as its factorization.

5421655315331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5437970220.

The product of its digits is 810000, while the sum is 44.

The spelling of 5421655315331 in words is "five trillion, four hundred twenty-one billion, six hundred fifty-five million, three hundred fifteen thousand, three hundred thirty-one".