711771721093 has 2 divisors, whose sum is σ = 711771721094. Its totient is φ = 711771721092.

The previous prime is 711771721049. The next prime is 711771721109. The reversal of 711771721093 is 390127177117.

711771721093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 394827492609 + 316944228484 = 628353^2 + 562978^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-711771721093 is a prime.

It is a super-2 number, since 2×711771721093² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (711771721033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355885860546 + 355885860547.

It is an arithmetic number, because the mean of its divisors is an integer number (355885860547).

Almost surely, 2^711771721093 is an apocalyptic number.

It is an amenable number.

711771721093 is a deficient number, since it is larger than the sum of its proper divisors (1).

711771721093 is an equidigital number, since it uses as much as digits as its factorization.

711771721093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129654, while the sum is 46.

The spelling of 711771721093 in words is "seven hundred eleven billion, seven hundred seventy-one million, seven hundred twenty-one thousand, ninety-three".