726411587507 has 2 divisors, whose sum is σ = 726411587508. Its totient is φ = 726411587506.

The previous prime is 726411587491. The next prime is 726411587521. The reversal of 726411587507 is 705785114627.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (705785114627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 726411587507 - 2⁴ = 726411587491 is a prime.

It is not a weakly prime, because it can be changed into another prime (726411557507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363205793753 + 363205793754.

It is an arithmetic number, because the mean of its divisors is an integer number (363205793754).

Almost surely, 2^726411587507 is an apocalyptic number.

726411587507 is a deficient number, since it is larger than the sum of its proper divisors (1).

726411587507 is an equidigital number, since it uses as much as digits as its factorization.

726411587507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3292800, while the sum is 53.

The spelling of 726411587507 in words is "seven hundred twenty-six billion, four hundred eleven million, five hundred eighty-seven thousand, five hundred seven".