716945951 has 4 divisors (see below), whose sum is σ = 718167912. Its totient is φ = 715723992.

The previous prime is 716945941. The next prime is 716945953. The reversal of 716945951 is 159549617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 159549617 = 337 ⋅473441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716945951 is a prime.

It is a super-2 number, since 2×716945951² = 1028022993310588802, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 716945896 and 716945905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716945953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610100 + ... + 611273.

It is an arithmetic number, because the mean of its divisors is an integer number (179541978).

Almost surely, 2^716945951 is an apocalyptic number.

716945951 is a deficient number, since it is larger than the sum of its proper divisors (1221961).

716945951 is a wasteful number, since it uses less digits than its factorization.

716945951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221960.

The product of its digits is 340200, while the sum is 47.

The square root of 716945951 is about 26775.8464105245. The cubic root of 716945951 is about 895.0118912728.

The spelling of 716945951 in words is "seven hundred sixteen million, nine hundred forty-five thousand, nine hundred fifty-one".