180383794434 has 12 divisors (see below), whose sum is σ = 390831554646. Its totient is φ = 60127931472.

The previous prime is 180383794399. The next prime is 180383794469. The reversal of 180383794434 is 434497383081.

It is an interprime number because it is at equal distance from previous prime (180383794399) and next prime (180383794469).

It can be written as a sum of positive squares in only one way, i.e., 166216843809 + 14166950625 = 407697^2 + 119025^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5010660939 + ... + 5010660974.

Almost surely, 2^180383794434 is an apocalyptic number.

180383794434 is an abundant number, since it is smaller than the sum of its proper divisors (210447760212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180383794434 is a wasteful number, since it uses less digits than its factorization.

180383794434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10021321921 (or 10021321918 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 180383794434 in words is "one hundred eighty billion, three hundred eighty-three million, seven hundred ninety-four thousand, four hundred thirty-four".