5321720464 has 20 divisors (see below), whose sum is σ = 10359706480. Its totient is φ = 2648247840.

The previous prime is 5321720461. The next prime is 5321720483. The reversal of 5321720464 is 4640271235.

It is not an unprimeable number, because it can be changed into a prime (5321720461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 784794 + ... + 791545.

It is an arithmetic number, because the mean of its divisors is an integer number (517985324).

Almost surely, 2^5321720464 is an apocalyptic number.

It is an amenable number.

5321720464 is a deficient number, since it is larger than the sum of its proper divisors (5037986016).

5321720464 is a wasteful number, since it uses less digits than its factorization.

5321720464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576558 (or 1576552 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 5321720464 is about 72950.1231253245. The cubic root of 5321720464 is about 1745.8919109937.

Adding to 5321720464 its reverse (4640271235), we get a palindrome (9961991699).

The spelling of 5321720464 in words is "five billion, three hundred twenty-one million, seven hundred twenty thousand, four hundred sixty-four".