726506735236141 has 8 divisors (see below), whose sum is σ = 738450430006968. Its totient is φ = 714564129120000.

The previous prime is 726506735236127. The next prime is 726506735236291. The reversal of 726506735236141 is 141632537605627.

It can be written as a sum of positive squares in 4 ways, for example, as 25721420713641 + 700785314522500 = 5071629^2 + 26472350^2 .

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 726506735236141 - 2⁵ = 726506735236109 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 (726506735236741) 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, 270817960 + ... + 273487441.

It is an arithmetic number, because the mean of its divisors is an integer number (92306303750871).

Almost surely, 2^{726506735236141} is an apocalyptic number.

It is an amenable number.

726506735236141 is a deficient number, since it is larger than the sum of its proper divisors (11943694770827).

726506735236141 is a wasteful number, since it uses less digits than its factorization.

726506735236141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544327343.

The product of its (nonzero) digits is 38102400, while the sum is 58.

The spelling of 726506735236141 in words is "seven hundred twenty-six trillion, five hundred six billion, seven hundred thirty-five million, two hundred thirty-six thousand, one hundred forty-one".