726403561407103 has 8 divisors (see below), whose sum is σ = 726437867314176. Its totient is φ = 726369256212600.

The previous prime is 726403561407071. The next prime is 726403561407157. The reversal of 726403561407103 is 301704165304627.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 726403561407103 - 2⁵ = 726403561407071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726403561405103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3485668038 + ... + 3485876428.

It is an arithmetic number, because the mean of its divisors is an integer number (90804733414272).

Almost surely, 2^{726403561407103} is an apocalyptic number.

726403561407103 is a deficient number, since it is larger than the sum of its proper divisors (34305907073).

726403561407103 is a wasteful number, since it uses less digits than its factorization.

726403561407103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356285.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 726403561407103 in words is "seven hundred twenty-six trillion, four hundred three billion, five hundred sixty-one million, four hundred seven thousand, one hundred three".