726369653153 has 8 divisors (see below), whose sum is σ = 734853336840. Its totient is φ = 717893130240.

The previous prime is 726369653147. The next prime is 726369653161. The reversal of 726369653153 is 351356963627.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 218895786769 + 507473866384 = 467863^2 + 712372^2 .

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 726369653153 - 2⁶ = 726369653089 is a prime.

It is a super-2 number, since 2×726369653153² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726369653173) 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, 1586000 + ... + 1992017.

It is an arithmetic number, because the mean of its divisors is an integer number (91856667105).

Almost surely, 2^726369653153 is an apocalyptic number.

It is an amenable number.

726369653153 is a deficient number, since it is larger than the sum of its proper divisors (8483683687).

726369653153 is a wasteful number, since it uses less digits than its factorization.

726369653153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580387.

The product of its digits is 18370800, while the sum is 56.

The spelling of 726369653153 in words is "seven hundred twenty-six billion, three hundred sixty-nine million, six hundred fifty-three thousand, one hundred fifty-three".