34447894519 has 2 divisors, whose sum is σ = 34447894520. Its totient is φ = 34447894518.

The previous prime is 34447894487. The next prime is 34447894531. The reversal of 34447894519 is 91549874443.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34447894519 - 2⁵ = 34447894487 is a prime.

It is a super-2 number, since 2×34447894519² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34447894589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17223947259 + 17223947260.

It is an arithmetic number, because the mean of its divisors is an integer number (17223947260).

Almost surely, 2^34447894519 is an apocalyptic number.

34447894519 is a deficient number, since it is larger than the sum of its proper divisors (1).

34447894519 is an equidigital number, since it uses as much as digits as its factorization.

34447894519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17418240, while the sum is 58.

The spelling of 34447894519 in words is "thirty-four billion, four hundred forty-seven million, eight hundred ninety-four thousand, five hundred nineteen".