172404366463 has 4 divisors (see below), whose sum is σ = 197033561680. Its totient is φ = 147775171248.

The previous prime is 172404366439. The next prime is 172404366469. The reversal of 172404366463 is 364663404271.

172404366463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172404366463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172404366469) 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 in 3 ways as a sum of consecutive naturals, for example, 12314597598 + ... + 12314597611.

It is an arithmetic number, because the mean of its divisors is an integer number (49258390420).

Almost surely, 2^172404366463 is an apocalyptic number.

172404366463 is a deficient number, since it is larger than the sum of its proper divisors (24629195217).

172404366463 is an equidigital number, since it uses as much as digits as its factorization.

172404366463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24629195216.

The product of its (nonzero) digits is 1741824, while the sum is 46.

The spelling of 172404366463 in words is "one hundred seventy-two billion, four hundred four million, three hundred sixty-six thousand, four hundred sixty-three".