5309397504 has 160 divisors (see below), whose sum is σ = 15770240640. Its totient is φ = 1763721216.

The previous prime is 5309397503. The next prime is 5309397539. The reversal of 5309397504 is 4057939035.

5309397504 is a `hidden beast` number, since 53 + 0 + 9 + 3 + 97 + 504 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 5309397504.

It is not an unprimeable number, because it can be changed into a prime (5309397503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5985349 + ... + 5986235.

It is an arithmetic number, because the mean of its divisors is an integer number (98564004).

Almost surely, 2^5309397504 is an apocalyptic number.

5309397504 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5309397504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7885120320).

5309397504 is an abundant number, since it is smaller than the sum of its proper divisors (10460843136).

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

5309397504 is an equidigital number, since it uses as much as digits as its factorization.

5309397504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347 (or 1325 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 45.

The square root of 5309397504 is about 72865.6126303759. The cubic root of 5309397504 is about 1744.5432754617.

The spelling of 5309397504 in words is "five billion, three hundred nine million, three hundred ninety-seven thousand, five hundred four".