712131420749 has 6 divisors (see below), whose sum is σ = 828397775214. Its totient is φ = 610398360600.

The previous prime is 712131420731. The next prime is 712131420761. The reversal of 712131420749 is 947024131217.

712131420749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 683259294025 + 28872126724 = 826595^2 + 169918^2 .

It is a de Polignac number, because none of the positive numbers 2^k-712131420749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712131420769) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7266647102 + ... + 7266647199.

It is an arithmetic number, because the mean of its divisors is an integer number (138066295869).

Almost surely, 2^712131420749 is an apocalyptic number.

It is an amenable number.

712131420749 is a deficient number, since it is larger than the sum of its proper divisors (116266354465).

712131420749 is a wasteful number, since it uses less digits than its factorization.

712131420749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14533294315 (or 14533294308 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 712131420749 in words is "seven hundred twelve billion, one hundred thirty-one million, four hundred twenty thousand, seven hundred forty-nine".