173842058891 has 16 divisors (see below), whose sum is σ = 179622693504. Its totient is φ = 168155979264.

The previous prime is 173842058861. The next prime is 173842058899. The reversal of 173842058891 is 198850248371.

It is a cyclic number.

It is not a de Polignac number, because 173842058891 - 2²² = 173837864587 is a prime.

It is a super-2 number, since 2×173842058891² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (173842058899) 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, 11045870 + ... + 11061596.

It is an arithmetic number, because the mean of its divisors is an integer number (11226418344).

Almost surely, 2^173842058891 is an apocalyptic number.

173842058891 is a deficient number, since it is larger than the sum of its proper divisors (5780634613).

173842058891 is a wasteful number, since it uses less digits than its factorization.

173842058891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18710.

The product of its (nonzero) digits is 3870720, while the sum is 56.

The spelling of 173842058891 in words is "one hundred seventy-three billion, eight hundred forty-two million, fifty-eight thousand, eight hundred ninety-one".