711643661053 has 24 divisors (see below), whose sum is σ = 788466860640. Its totient is φ = 641804679360.

The previous prime is 711643661009. The next prime is 711643661083. The reversal of 711643661053 is 350166346117.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-711643661053 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 (711643661083) 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 23 ways as a sum of consecutive naturals, for example, 1406343 + ... + 1844203.

It is an arithmetic number, because the mean of its divisors is an integer number (32852785860).

Almost surely, 2^711643661053 is an apocalyptic number.

It is an amenable number.

711643661053 is a deficient number, since it is larger than the sum of its proper divisors (76823199587).

711643661053 is a wasteful number, since it uses less digits than its factorization.

711643661053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438109 (or 438096 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 711643661053 in words is "seven hundred eleven billion, six hundred forty-three million, six hundred sixty-one thousand, fifty-three".