726207416360553 has 4 divisors (see below), whose sum is σ = 968276555147408. Its totient is φ = 484138277573700.

The previous prime is 726207416360537. The next prime is 726207416360561. The reversal of 726207416360553 is 355063614702627.

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.

It is not a de Polignac number, because 726207416360553 - 2⁴ = 726207416360537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 726207416360493 and 726207416360502.

It is not an unprimeable number, because it can be changed into a prime (726207416360533) 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, 121034569393423 + ... + 121034569393428.

It is an arithmetic number, because the mean of its divisors is an integer number (242069138786852).

Almost surely, 2^{726207416360553} is an apocalyptic number.

It is an amenable number.

726207416360553 is a deficient number, since it is larger than the sum of its proper divisors (242069138786855).

726207416360553 is a wasteful number, since it uses less digits than its factorization.

726207416360553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242069138786854.

The product of its (nonzero) digits is 38102400, while the sum is 57.

The spelling of 726207416360553 in words is "seven hundred twenty-six trillion, two hundred seven billion, four hundred sixteen million, three hundred sixty thousand, five hundred fifty-three".