712346643217 has 16 divisors (see below), whose sum is σ = 788760052992. Its totient is φ = 637877045520.

The previous prime is 712346643187. The next prime is 712346643233.

It is a happy number.

712346643217 is nontrivially palindromic in base 10.

712346643217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 712346643217 - 2¹⁹ = 712346118929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712346643277) 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, 14540878 + ... + 14589784.

It is an arithmetic number, because the mean of its divisors is an integer number (49297503312).

Almost surely, 2^712346643217 is an apocalyptic number.

It is an amenable number.

712346643217 is a deficient number, since it is larger than the sum of its proper divisors (76413409775).

712346643217 is a wasteful number, since it uses less digits than its factorization.

712346643217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68748.

The product of its digits is 1016064, while the sum is 46.

The spelling of 712346643217 in words is "seven hundred twelve billion, three hundred forty-six million, six hundred forty-three thousand, two hundred seventeen".