726462051281 has 2 divisors, whose sum is σ = 726462051282. Its totient is φ = 726462051280.

The previous prime is 726462051251. The next prime is 726462051311. The reversal of 726462051281 is 182150264627.

It is a balanced prime because it is at equal distance from previous prime (726462051251) and next prime (726462051311).

It can be written as a sum of positive squares in only one way, i.e., 594504223681 + 131957827600 = 771041^2 + 363260^2 .

It is a cyclic number.

It is not a de Polignac number, because 726462051281 - 2²² = 726457856977 is a prime.

It is a super-2 number, since 2×726462051281² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (726462051251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363231025640 + 363231025641.

It is an arithmetic number, because the mean of its divisors is an integer number (363231025641).

Almost surely, 2^726462051281 is an apocalyptic number.

It is an amenable number.

726462051281 is a deficient number, since it is larger than the sum of its proper divisors (1).

726462051281 is an equidigital number, since it uses as much as digits as its factorization.

726462051281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 726462051281 in words is "seven hundred twenty-six billion, four hundred sixty-two million, fifty-one thousand, two hundred eighty-one".