726047063644642 has 16 divisors (see below), whose sum is σ = 1213824812286240. Its totient is φ = 323686616609088.

The previous prime is 726047063644631. The next prime is 726047063644657. The reversal of 726047063644642 is 246446360740627.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561955930968 + ... + 561955932259.

It is an arithmetic number, because the mean of its divisors is an integer number (75864050767890).

Almost surely, 2^{726047063644642} is an apocalyptic number.

726047063644642 is a deficient number, since it is larger than the sum of its proper divisors (487777748641598).

726047063644642 is a wasteful number, since it uses less digits than its factorization.

726047063644642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123911863265.

The product of its (nonzero) digits is 195084288, while the sum is 61.

The spelling of 726047063644642 in words is "seven hundred twenty-six trillion, forty-seven billion, sixty-three million, six hundred forty-four thousand, six hundred forty-two".