44198129 has 2 divisors, whose sum is σ = 44198130. Its totient is φ = 44198128.

The previous prime is 44198093. The next prime is 44198137. The reversal of 44198129 is 92189144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40768225 + 3429904 = 6385^2 + 1852^2 .

It is a cyclic number.

It is not a de Polignac number, because 44198129 - 2⁸ = 44197873 is a prime.

It is a Chen prime.

It is equal to p_2672597 and since 44198129 and 2672597 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 44198092 and 44198101.

It is not a weakly prime, because it can be changed into another prime (44198149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22099064 + 22099065.

It is an arithmetic number, because the mean of its divisors is an integer number (22099065).

Almost surely, 2^44198129 is an apocalyptic number.

It is an amenable number.

44198129 is a deficient number, since it is larger than the sum of its proper divisors (1).

44198129 is an equidigital number, since it uses as much as digits as its factorization.

44198129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 38.

The square root of 44198129 is about 6648.1673414558. The cubic root of 44198129 is about 353.5639374142.

The spelling of 44198129 in words is "forty-four million, one hundred ninety-eight thousand, one hundred twenty-nine".