1904549042918 has 4 divisors (see below), whose sum is σ = 2856823564380. Its totient is φ = 952274521458.

The previous prime is 1904549042861. The next prime is 1904549042953. The reversal of 1904549042918 is 8192409454091.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 476137260728 + ... + 476137260731.

It is an arithmetic number, because the mean of its divisors is an integer number (714205891095).

Almost surely, 2^{1904549042918} is an apocalyptic number.

1904549042918 is a deficient number, since it is larger than the sum of its proper divisors (952274521462).

1904549042918 is an equidigital number, since it uses as much as digits as its factorization.

1904549042918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952274521461.

The product of its (nonzero) digits is 3732480, while the sum is 56.

The spelling of 1904549042918 in words is "one trillion, nine hundred four billion, five hundred forty-nine million, forty-two thousand, nine hundred eighteen".