713664242820 has 72 divisors (see below), whose sum is σ = 2164861206144. Its totient is φ = 190303460928.

The previous prime is 713664242747. The next prime is 713664242831. The reversal of 713664242820 is 28242466317.

It is a happy number.

713664242820 is a `hidden beast` number, since 7 + 1 + 366 + 4 + 2 + 4 + 282 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6444357 + ... + 6554163.

It is an arithmetic number, because the mean of its divisors is an integer number (30067516752).

Almost surely, 2^713664242820 is an apocalyptic number.

It is an amenable number.

713664242820 is an abundant number, since it is smaller than the sum of its proper divisors (1451196963324).

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

713664242820 is a wasteful number, since it uses less digits than its factorization.

713664242820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145929 (or 145924 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

It can be divided in two parts, 713664 and 242820, that added together give a square (956484 = 978²).

The spelling of 713664242820 in words is "seven hundred thirteen billion, six hundred sixty-four million, two hundred forty-two thousand, eight hundred twenty".