4464551645 has 16 divisors (see below), whose sum is σ = 5855597568. Its totient is φ = 3253105920.

The previous prime is 4464551629. The next prime is 4464551677. The reversal of 4464551645 is 5461554644.

It is not a de Polignac number, because 4464551645 - 2⁴ = 4464551629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4464551596 and 4464551605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 844529 + ... + 849798.

It is an arithmetic number, because the mean of its divisors is an integer number (365974848).

Almost surely, 2^4464551645 is an apocalyptic number.

It is an amenable number.

4464551645 is a deficient number, since it is larger than the sum of its proper divisors (1391045923).

4464551645 is a wasteful number, since it uses less digits than its factorization.

4464551645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694380.

The product of its digits is 1152000, while the sum is 44.

The square root of 4464551645 is about 66817.3004917140. The cubic root of 4464551645 is about 1646.6170842148.

Subtracting 4464551645 from its reverse (5461554644), we obtain a cube (997002999 = 999³).

The spelling of 4464551645 in words is "four billion, four hundred sixty-four million, five hundred fifty-one thousand, six hundred forty-five".