44464649 has 2 divisors, whose sum is σ = 44464650. Its totient is φ = 44464648.

The previous prime is 44464613. The next prime is 44464687. The reversal of 44464649 is 94646444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30327049 + 14137600 = 5507^2 + 3760^2 .

It is a cyclic number.

It is not a de Polignac number, because 44464649 - 2¹² = 44460553 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (44464949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22232324 + 22232325.

It is an arithmetic number, because the mean of its divisors is an integer number (22232325).

Almost surely, 2^44464649 is an apocalyptic number.

It is an amenable number.

44464649 is a deficient number, since it is larger than the sum of its proper divisors (1).

44464649 is an equidigital number, since it uses as much as digits as its factorization.

44464649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 41.

The square root of 44464649 is about 6668.1818361529. The cubic root of 44464649 is about 354.2731912894.

The spelling of 44464649 in words is "forty-four million, four hundred sixty-four thousand, six hundred forty-nine".