44639099 has 2 divisors, whose sum is σ = 44639100. Its totient is φ = 44639098.

The previous prime is 44639087. The next prime is 44639239. The reversal of 44639099 is 99093644.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44639099 is a prime.

It is not a weakly prime, because it can be changed into another prime (44639069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22319549 + 22319550.

It is an arithmetic number, because the mean of its divisors is an integer number (22319550).

Almost surely, 2^44639099 is an apocalyptic number.

44639099 is a deficient number, since it is larger than the sum of its proper divisors (1).

44639099 is an equidigital number, since it uses as much as digits as its factorization.

44639099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 44639099 is about 6681.2498082320. The cubic root of 44639099 is about 354.7358982608.

The spelling of 44639099 in words is "forty-four million, six hundred thirty-nine thousand, ninety-nine".