711391489 has 16 divisors (see below), whose sum is σ = 758473920. Its totient is φ = 665945280.

The previous prime is 711391487. The next prime is 711391517. The reversal of 711391489 is 984193117.

It is a cyclic number.

It is not a de Polignac number, because 711391489 - 2¹ = 711391487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (711391481) 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, 354162 + ... + 356164.

It is an arithmetic number, because the mean of its divisors is an integer number (47404620).

Almost surely, 2^711391489 is an apocalyptic number.

It is an amenable number.

711391489 is a deficient number, since it is larger than the sum of its proper divisors (47082431).

711391489 is a wasteful number, since it uses less digits than its factorization.

711391489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400.

The product of its digits is 54432, while the sum is 43.

The square root of 711391489 is about 26671.9232339927. The cubic root of 711391489 is about 892.6945602353.

The spelling of 711391489 in words is "seven hundred eleven million, three hundred ninety-one thousand, four hundred eighty-nine".