44671663 has 2 divisors, whose sum is σ = 44671664. Its totient is φ = 44671662.

The previous prime is 44671661. The next prime is 44671723. The reversal of 44671663 is 36617644.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44671663 - 2¹ = 44671661 is a prime.

Together with 44671661, it forms a pair of twin primes.

It is equal to p_2699506 and since 44671663 and 2699506 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44671661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22335831 + 22335832.

It is an arithmetic number, because the mean of its divisors is an integer number (22335832).

Almost surely, 2^44671663 is an apocalyptic number.

44671663 is a deficient number, since it is larger than the sum of its proper divisors (1).

44671663 is an equidigital number, since it uses as much as digits as its factorization.

44671663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 37.

The square root of 44671663 is about 6683.6863331548. The cubic root of 44671663 is about 354.8221366500.

The spelling of 44671663 in words is "forty-four million, six hundred seventy-one thousand, six hundred sixty-three".