712489768208 has 20 divisors (see below), whose sum is σ = 1381529974860. Its totient is φ = 355965903744.

The previous prime is 712489768163. The next prime is 712489768217. The reversal of 712489768208 is 802867984217.

It can be written as a sum of positive squares in 2 ways, for example, as 264163105024 + 448326663184 = 513968^2 + 669572^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17415203 + ... + 17456066.

It is an arithmetic number, because the mean of its divisors is an integer number (69076498743).

Almost surely, 2^712489768208 is an apocalyptic number.

It is an amenable number.

712489768208 is a deficient number, since it is larger than the sum of its proper divisors (669040206652).

712489768208 is a wasteful number, since it uses less digits than its factorization.

712489768208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34872554 (or 34872548 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 62.

The spelling of 712489768208 in words is "seven hundred twelve billion, four hundred eighty-nine million, seven hundred sixty-eight thousand, two hundred eight".