172893342019 has 2 divisors, whose sum is σ = 172893342020. Its totient is φ = 172893342018.

The previous prime is 172893341983. The next prime is 172893342029. The reversal of 172893342019 is 910243398271.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172893342019 - 2³⁷ = 35454388547 is a prime.

It is a super-2 number, since 2×172893342019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (172893342029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86446671009 + 86446671010.

It is an arithmetic number, because the mean of its divisors is an integer number (86446671010).

Almost surely, 2^172893342019 is an apocalyptic number.

172893342019 is a deficient number, since it is larger than the sum of its proper divisors (1).

172893342019 is an equidigital number, since it uses as much as digits as its factorization.

172893342019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 172893342019 in words is "one hundred seventy-two billion, eight hundred ninety-three million, three hundred forty-two thousand, nineteen".