44102386439 has 2 divisors, whose sum is σ = 44102386440. Its totient is φ = 44102386438.

The previous prime is 44102386423. The next prime is 44102386487. The reversal of 44102386439 is 93468320144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44102386439 - 2⁴ = 44102386423 is a prime.

It is a super-2 number, since 2×44102386439² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44102386439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44102386639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22051193219 + 22051193220.

It is an arithmetic number, because the mean of its divisors is an integer number (22051193220).

Almost surely, 2^44102386439 is an apocalyptic number.

44102386439 is a deficient number, since it is larger than the sum of its proper divisors (1).

44102386439 is an equidigital number, since it uses as much as digits as its factorization.

44102386439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 44102386439 in words is "forty-four billion, one hundred two million, three hundred eighty-six thousand, four hundred thirty-nine".