5434708711681 has 2 divisors, whose sum is σ = 5434708711682. Its totient is φ = 5434708711680.

The previous prime is 5434708711667. The next prime is 5434708711687. The reversal of 5434708711681 is 1861178074345.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2735782160400 + 2698926551281 = 1654020^2 + 1642841^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5434708711681 is a prime.

It is a super-2 number, since 2×5434708711681² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5434708711687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2717354355840 + 2717354355841.

It is an arithmetic number, because the mean of its divisors is an integer number (2717354355841).

Almost surely, 2^{5434708711681} is an apocalyptic number.

It is an amenable number.

5434708711681 is a deficient number, since it is larger than the sum of its proper divisors (1).

5434708711681 is an equidigital number, since it uses as much as digits as its factorization.

5434708711681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 5434708711681 in words is "five trillion, four hundred thirty-four billion, seven hundred eight million, seven hundred eleven thousand, six hundred eighty-one".