173450242399 has 16 divisors (see below), whose sum is σ = 202122708480. Its totient is φ = 145755511200.

The previous prime is 173450242373. The next prime is 173450242423. The reversal of 173450242399 is 993242054371.

It is a cyclic number.

It is not a de Polignac number, because 173450242399 - 2¹¹ = 173450240351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173450242699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312124 + ... + 666574.

It is an arithmetic number, because the mean of its divisors is an integer number (12632669280).

Almost surely, 2^173450242399 is an apocalyptic number.

173450242399 is a deficient number, since it is larger than the sum of its proper divisors (28672466081).

173450242399 is a wasteful number, since it uses less digits than its factorization.

173450242399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355830.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 173450242399 in words is "one hundred seventy-three billion, four hundred fifty million, two hundred forty-two thousand, three hundred ninety-nine".