172440329419 has 2 divisors, whose sum is σ = 172440329420. Its totient is φ = 172440329418.

The previous prime is 172440329393. The next prime is 172440329461. The reversal of 172440329419 is 914923044271.

172440329419 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 (914923044271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 172440329419 - 2¹³ = 172440321227 is a prime.

It is a super-2 number, since 2×172440329419² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (172440329489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86220164709 + 86220164710.

It is an arithmetic number, because the mean of its divisors is an integer number (86220164710).

Almost surely, 2^172440329419 is an apocalyptic number.

172440329419 is a deficient number, since it is larger than the sum of its proper divisors (1).

172440329419 is an equidigital number, since it uses as much as digits as its factorization.

172440329419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 172440329419 in words is "one hundred seventy-two billion, four hundred forty million, three hundred twenty-nine thousand, four hundred nineteen".