5243999307960 has 128 divisors (see below), whose sum is σ = 18346353408000. Its totient is φ = 1198628403840.

The previous prime is 5243999307941. The next prime is 5243999307961. The reversal of 5243999307960 is 697039993425.

It is a junction number, because it is equal to n+sod(n) for n = 5243999307891 and 5243999307900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5243999307961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63661456 + ... + 63743775.

It is an arithmetic number, because the mean of its divisors is an integer number (143330886000).

Almost surely, 2^{5243999307960} is an apocalyptic number.

It is an amenable number.

5243999307960 is an abundant number, since it is smaller than the sum of its proper divisors (13102354100040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5243999307960 is a wasteful number, since it uses less digits than its factorization.

5243999307960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127405266 (or 127405248 counting only the distinct ones).

The product of its (nonzero) digits is 99202320, while the sum is 66.

The spelling of 5243999307960 in words is "five trillion, two hundred forty-three billion, nine hundred ninety-nine million, three hundred seven thousand, nine hundred sixty".