721796054404 has 12 divisors (see below), whose sum is σ = 1318062360384. Its totient is φ = 345206808584.

The previous prime is 721796054401. The next prime is 721796054407. The reversal of 721796054404 is 404450697127.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (721796054401) and next prime (721796054407).

It is not an unprimeable number, because it can be changed into a prime (721796054401) 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, 3922804552 + ... + 3922804735.

It is an arithmetic number, because the mean of its divisors is an integer number (109838530032).

Almost surely, 2^721796054404 is an apocalyptic number.

It is an amenable number.

721796054404 is a deficient number, since it is larger than the sum of its proper divisors (596266305980).

721796054404 is a wasteful number, since it uses less digits than its factorization.

721796054404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7845609314 (or 7845609312 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 721796054404 in words is "seven hundred twenty-one billion, seven hundred ninety-six million, fifty-four thousand, four hundred four".