721796054403 has 16 divisors (see below), whose sum is σ = 973735741440. Its totient is φ = 475532730816.

The previous prime is 721796054401. The next prime is 721796054407. The reversal of 721796054403 is 304450697127.

It is not a de Polignac number, because 721796054403 - 2¹ = 721796054401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (721796054401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238675 + ... + 1224972.

It is an arithmetic number, because the mean of its divisors is an integer number (60858483840).

Almost surely, 2^721796054403 is an apocalyptic number.

721796054403 is a deficient number, since it is larger than the sum of its proper divisors (251939687037).

721796054403 is a wasteful number, since it uses less digits than its factorization.

721796054403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465586.

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 721796054403 in words is "seven hundred twenty-one billion, seven hundred ninety-six million, fifty-four thousand, four hundred three".