180412940919 has 4 divisors (see below), whose sum is σ = 240550587896. Its totient is φ = 120275293944.

The previous prime is 180412940899. The next prime is 180412940921. The reversal of 180412940919 is 919049214081.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 180412940919 - 2⁸ = 180412940663 is a prime.

It is a super-2 number, since 2×180412940919² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180412944919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30068823484 + ... + 30068823489.

It is an arithmetic number, because the mean of its divisors is an integer number (60137646974).

Almost surely, 2^180412940919 is an apocalyptic number.

180412940919 is a deficient number, since it is larger than the sum of its proper divisors (60137646977).

180412940919 is an equidigital number, since it uses as much as digits as its factorization.

180412940919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60137646976.

The product of its (nonzero) digits is 186624, while the sum is 48.

The spelling of 180412940919 in words is "one hundred eighty billion, four hundred twelve million, nine hundred forty thousand, nine hundred nineteen".