16834539479 has 2 divisors, whose sum is σ = 16834539480. Its totient is φ = 16834539478.

The previous prime is 16834539457. The next prime is 16834539497. The reversal of 16834539479 is 97493543861.

Together with next prime (16834539497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16834539479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16834539499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8417269739 + 8417269740.

It is an arithmetic number, because the mean of its divisors is an integer number (8417269740).

Almost surely, 2^16834539479 is an apocalyptic number.

16834539479 is a deficient number, since it is larger than the sum of its proper divisors (1).

16834539479 is an equidigital number, since it uses as much as digits as its factorization.

16834539479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19595520, while the sum is 59.

The spelling of 16834539479 in words is "sixteen billion, eight hundred thirty-four million, five hundred thirty-nine thousand, four hundred seventy-nine".