5421020523399 has 48 divisors (see below), whose sum is σ = 8473734132864. Its totient is φ = 3319807680000.

The previous prime is 5421020523379. The next prime is 5421020523409. The reversal of 5421020523399 is 9933250201245.

5421020523399 is a `hidden beast` number, since 5 + 4 + 2 + 10 + 20 + 523 + 3 + 99 = 666.

It is not a de Polignac number, because 5421020523399 - 2⁷ = 5421020523271 is a prime.

It is a super-2 number, since 2×5421020523399² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421020523379) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27073149 + ... + 27272649.

It is an arithmetic number, because the mean of its divisors is an integer number (176536127768).

Almost surely, 2^{5421020523399} is an apocalyptic number.

5421020523399 is a deficient number, since it is larger than the sum of its proper divisors (3052713609465).

5421020523399 is a wasteful number, since it uses less digits than its factorization.

5421020523399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200648 (or 200645 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The spelling of 5421020523399 in words is "five trillion, four hundred twenty-one billion, twenty million, five hundred twenty-three thousand, three hundred ninety-nine".