44646493 has 2 divisors, whose sum is σ = 44646494. Its totient is φ = 44646492.

The previous prime is 44646451. The next prime is 44646517. The reversal of 44646493 is 39464644.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29615364 + 15031129 = 5442^2 + 3877^2 .

It is a cyclic number.

It is not a de Polignac number, because 44646493 - 2¹³ = 44638301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44646443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22323246 + 22323247.

It is an arithmetic number, because the mean of its divisors is an integer number (22323247).

Almost surely, 2^44646493 is an apocalyptic number.

It is an amenable number.

44646493 is a deficient number, since it is larger than the sum of its proper divisors (1).

44646493 is an equidigital number, since it uses as much as digits as its factorization.

44646493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 40.

The square root of 44646493 is about 6681.8031249057. The cubic root of 44646493 is about 354.7554832770.

The spelling of 44646493 in words is "forty-four million, six hundred forty-six thousand, four hundred ninety-three".