34440999991 has 2 divisors, whose sum is σ = 34440999992. Its totient is φ = 34440999990.

The previous prime is 34440999973. The next prime is 34441000037. The reversal of 34440999991 is 19999904443.

34440999991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (19999904443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34440999991 - 2¹³ = 34440991799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34440996991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17220499995 + 17220499996.

It is an arithmetic number, because the mean of its divisors is an integer number (17220499996).

Almost surely, 2^34440999991 is an apocalyptic number.

34440999991 is a deficient number, since it is larger than the sum of its proper divisors (1).

34440999991 is an equidigital number, since it uses as much as digits as its factorization.

34440999991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11337408, while the sum is 61.

The spelling of 34440999991 in words is "thirty-four billion, four hundred forty million, nine hundred ninety-nine thousand, nine hundred ninety-one".