424721964081 has 8 divisors (see below), whose sum is σ = 574053431200. Its totient is φ = 279269236512.

The previous prime is 424721963983. The next prime is 424721964103. The reversal of 424721964081 is 180469127424.

424721964081 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 424721964081 - 2³⁵ = 390362225713 is a prime.

It is a super-2 number, since 2×424721964081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 424721964081.

It is not an unprimeable number, because it can be changed into a prime (424721968081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 969684631 + ... + 969685068.

It is an arithmetic number, because the mean of its divisors is an integer number (71756678900).

Almost surely, 2^424721964081 is an apocalyptic number.

It is an amenable number.

424721964081 is a deficient number, since it is larger than the sum of its proper divisors (149331467119).

424721964081 is a wasteful number, since it uses less digits than its factorization.

424721964081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939369775.

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 424721964081 in words is "four hundred twenty-four billion, seven hundred twenty-one million, nine hundred sixty-four thousand, eighty-one".