44198187937 has 2 divisors, whose sum is σ = 44198187938. Its totient is φ = 44198187936.

The previous prime is 44198187871. The next prime is 44198188009. The reversal of 44198187937 is 73978189144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37523951521 + 6674236416 = 193711^2 + 81696^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44198187937 is a prime.

It is a super-3 number, since 3×44198187937³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (44198187037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22099093968 + 22099093969.

It is an arithmetic number, because the mean of its divisors is an integer number (22099093969).

Almost surely, 2^44198187937 is an apocalyptic number.

It is an amenable number.

44198187937 is a deficient number, since it is larger than the sum of its proper divisors (1).

44198187937 is an equidigital number, since it uses as much as digits as its factorization.

44198187937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12192768, while the sum is 61.

The spelling of 44198187937 in words is "forty-four billion, one hundred ninety-eight million, one hundred eighty-seven thousand, nine hundred thirty-seven".