6634943445 has 16 divisors (see below), whose sum is σ = 11432518272. Its totient is φ = 3266433600.

The previous prime is 6634943429. The next prime is 6634943477. The reversal of 6634943445 is 5443494366.

It is not a de Polignac number, because 6634943445 - 2⁴ = 6634943429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6634943394 and 6634943403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17012481 + ... + 17012870.

It is an arithmetic number, because the mean of its divisors is an integer number (714532392).

Almost surely, 2^6634943445 is an apocalyptic number.

6634943445 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6634943445 is a deficient number, since it is larger than the sum of its proper divisors (4797574827).

6634943445 is a wasteful number, since it uses less digits than its factorization.

6634943445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34025372.

The product of its digits is 3732480, while the sum is 48.

The square root of 6634943445 is about 81455.1621752728. The cubic root of 6634943445 is about 1879.0820406322.

The spelling of 6634943445 in words is "six billion, six hundred thirty-four million, nine hundred forty-three thousand, four hundred forty-five".