172245388040499 has 8 divisors (see below), whose sum is σ = 230394257060752. Its totient is φ = 114463388856960.

The previous prime is 172245388040461. The next prime is 172245388040543. The reversal of 172245388040499 is 994040883542271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 172245388040499 - 2⁷ = 172245388040371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172245388042499) 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 7 ways as a sum of consecutive naturals, for example, 91717458082 + ... + 91717459959.

It is an arithmetic number, because the mean of its divisors is an integer number (28799282132594).

Almost surely, 2^{172245388040499} is an apocalyptic number.

172245388040499 is a deficient number, since it is larger than the sum of its proper divisors (58148869020253).

172245388040499 is a wasteful number, since it uses less digits than its factorization.

172245388040499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183434918357.

The product of its (nonzero) digits is 139345920, while the sum is 66.

The spelling of 172245388040499 in words is "one hundred seventy-two trillion, two hundred forty-five billion, three hundred eighty-eight million, forty thousand, four hundred ninety-nine".