181034749099 has 8 divisors (see below), whose sum is σ = 184578756480. Its totient is φ = 177495492096.

The previous prime is 181034749057. The next prime is 181034749121. The reversal of 181034749099 is 990947430181.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-181034749099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (181034749999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1110582 + ... + 1263115.

It is an arithmetic number, because the mean of its divisors is an integer number (23072344560).

Almost surely, 2^181034749099 is an apocalyptic number.

181034749099 is a deficient number, since it is larger than the sum of its proper divisors (3544007381).

181034749099 is a wasteful number, since it uses less digits than its factorization.

181034749099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375189.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 181034749099 in words is "one hundred eighty-one billion, thirty-four million, seven hundred forty-nine thousand, ninety-nine".