726651031141 has 4 divisors (see below), whose sum is σ = 830458321312. Its totient is φ = 622843740972.

The previous prime is 726651031087. The next prime is 726651031153. The reversal of 726651031141 is 141130156627.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141130156627 = 59 ⋅2392036553.

It is a cyclic number.

It is not a de Polignac number, because 726651031141 - 2¹⁷ = 726650900069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 726651031141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726651031241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51903645075 + ... + 51903645088.

It is an arithmetic number, because the mean of its divisors is an integer number (207614580328).

Almost surely, 2^726651031141 is an apocalyptic number.

It is an amenable number.

726651031141 is a deficient number, since it is larger than the sum of its proper divisors (103807290171).

726651031141 is a wasteful number, since it uses less digits than its factorization.

726651031141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103807290170.

The product of its (nonzero) digits is 30240, while the sum is 37.

Adding to 726651031141 its reverse (141130156627), we get a palindrome (867781187768).

The spelling of 726651031141 in words is "seven hundred twenty-six billion, six hundred fifty-one million, thirty-one thousand, one hundred forty-one".