164379734459 has 2 divisors, whose sum is σ = 164379734460. Its totient is φ = 164379734458.

The previous prime is 164379734413. The next prime is 164379734461. The reversal of 164379734459 is 954437973461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164379734459 - 2²⁰ = 164378685883 is a prime.

It is a super-2 number, since 2×164379734459² (a number of 23 digits) contains 22 as substring.

Together with 164379734461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164379734479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82189867229 + 82189867230.

It is an arithmetic number, because the mean of its divisors is an integer number (82189867230).

Almost surely, 2^164379734459 is an apocalyptic number.

164379734459 is a deficient number, since it is larger than the sum of its proper divisors (1).

164379734459 is an equidigital number, since it uses as much as digits as its factorization.

164379734459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68584320, while the sum is 62.

The spelling of 164379734459 in words is "one hundred sixty-four billion, three hundred seventy-nine million, seven hundred thirty-four thousand, four hundred fifty-nine".