4464744781 has 8 divisors (see below), whose sum is σ = 5109532544. Its totient is φ = 3821698800.

The previous prime is 4464744769. The next prime is 4464744829. The reversal of 4464744781 is 1874474644.

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

It is a cyclic number.

It is not a de Polignac number, because 4464744781 - 2¹⁹ = 4464220493 is a prime.

It is a super-2 number, since 2×4464744781² = 39867891918933475922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4464744721) 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, 429945 + ... + 440206.

It is an arithmetic number, because the mean of its divisors is an integer number (638691568).

Almost surely, 2^4464744781 is an apocalyptic number.

It is an amenable number.

4464744781 is a deficient number, since it is larger than the sum of its proper divisors (644787763).

4464744781 is an equidigital number, since it uses as much as digits as its factorization.

4464744781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870891.

The product of its digits is 2408448, while the sum is 49.

The square root of 4464744781 is about 66818.7457305209. The cubic root of 4464744781 is about 1646.6408280288.

The spelling of 4464744781 in words is "four billion, four hundred sixty-four million, seven hundred forty-four thousand, seven hundred eighty-one".