716537205445331 has 4 divisors (see below), whose sum is σ = 716543114128464. Its totient is φ = 716531296762200.

The previous prime is 716537205445283. The next prime is 716537205445357. The reversal of 716537205445331 is 133544502735617.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716537205445331 is a prime.

It is a super-2 number, since 2×716537205445331² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716537205445531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2954159660 + ... + 2954402201.

It is an arithmetic number, because the mean of its divisors is an integer number (179135778532116).

Almost surely, 2^{716537205445331} is an apocalyptic number.

716537205445331 is a deficient number, since it is larger than the sum of its proper divisors (5908683133).

716537205445331 is a wasteful number, since it uses less digits than its factorization.

716537205445331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5908683132.

The product of its (nonzero) digits is 31752000, while the sum is 56.

The spelling of 716537205445331 in words is "seven hundred sixteen trillion, five hundred thirty-seven billion, two hundred five million, four hundred forty-five thousand, three hundred thirty-one".