7444953663 has 8 divisors (see below), whose sum is σ = 11344691328. Its totient is φ = 4254259224.

The previous prime is 7444953641. The next prime is 7444953683. The reversal of 7444953663 is 3663594447.

It is a happy number.

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

It is not a de Polignac number, because 7444953663 - 2²⁵ = 7411399231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7444953683) 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, 177260781 + ... + 177260822.

It is an arithmetic number, because the mean of its divisors is an integer number (1418086416).

Almost surely, 2^7444953663 is an apocalyptic number.

7444953663 is a deficient number, since it is larger than the sum of its proper divisors (3899737665).

7444953663 is a wasteful number, since it uses less digits than its factorization.

7444953663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354521613.

The product of its digits is 6531840, while the sum is 51.

The square root of 7444953663 is about 86284.1449108699. The cubic root of 7444953663 is about 1952.6331871791.

The spelling of 7444953663 in words is "seven billion, four hundred forty-four million, nine hundred fifty-three thousand, six hundred sixty-three".