726624458741 has 2 divisors, whose sum is σ = 726624458742. Its totient is φ = 726624458740.

The previous prime is 726624458731. The next prime is 726624458743. The reversal of 726624458741 is 147854426627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 707121219025 + 19503239716 = 840905^2 + 139654^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-726624458741 is a prime.

It is a super-2 number, since 2×726624458741² (a number of 25 digits) contains 22 as substring.

Together with 726624458743, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726624458743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363312229370 + 363312229371.

It is an arithmetic number, because the mean of its divisors is an integer number (363312229371).

Almost surely, 2^726624458741 is an apocalyptic number.

It is an amenable number.

726624458741 is a deficient number, since it is larger than the sum of its proper divisors (1).

726624458741 is an equidigital number, since it uses as much as digits as its factorization.

726624458741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18063360, while the sum is 56.

The spelling of 726624458741 in words is "seven hundred twenty-six billion, six hundred twenty-four million, four hundred fifty-eight thousand, seven hundred forty-one".