3646266445 has 16 divisors (see below), whose sum is σ = 4417414848. Its totient is φ = 2889169920.

The previous prime is 3646266433. The next prime is 3646266461. The reversal of 3646266445 is 5446626463.

It is a happy number.

It is not a de Polignac number, because 3646266445 - 2⁷ = 3646266317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3646266395 and 3646266404.

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, 353197 + ... + 363373.

It is an arithmetic number, because the mean of its divisors is an integer number (276088428).

Almost surely, 2^3646266445 is an apocalyptic number.

It is an amenable number.

3646266445 is a deficient number, since it is larger than the sum of its proper divisors (771148403).

3646266445 is a wasteful number, since it uses less digits than its factorization.

3646266445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10860.

The product of its digits is 2488320, while the sum is 46.

The square root of 3646266445 is about 60384.3228412806. The cubic root of 3646266445 is about 1539.1565692705.

The spelling of 3646266445 in words is "three billion, six hundred forty-six million, two hundred sixty-six thousand, four hundred forty-five".