726454945656023 has 32 divisors (see below), whose sum is σ = 799403904000000. Its totient is φ = 657164400284160.

The previous prime is 726454945655963. The next prime is 726454945656043. The reversal of 726454945656023 is 320656549454627.

It is not a de Polignac number, because 726454945656023 - 2⁸ = 726454945655767 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 (726454945656043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 847541528 + ... + 848398226.

It is an arithmetic number, because the mean of its divisors is an integer number (24981372000000).

Almost surely, 2^{726454945656023} is an apocalyptic number.

726454945656023 is a deficient number, since it is larger than the sum of its proper divisors (72948958343977).

726454945656023 is a wasteful number, since it uses less digits than its factorization.

726454945656023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867695.

The product of its (nonzero) digits is 1306368000, while the sum is 68.

The spelling of 726454945656023 in words is "seven hundred twenty-six trillion, four hundred fifty-four billion, nine hundred forty-five million, six hundred fifty-six thousand, twenty-three".