1818473012 has 12 divisors (see below), whose sum is σ = 3320690016. Its totient is φ = 869704440.

The previous prime is 1818472987. The next prime is 1818473021. The reversal of 1818473012 is 2103748181.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9882914 + ... + 9883097.

It is an arithmetic number, because the mean of its divisors is an integer number (276724168).

Almost surely, 2^1818473012 is an apocalyptic number.

It is an amenable number.

1818473012 is a deficient number, since it is larger than the sum of its proper divisors (1502217004).

1818473012 is a wasteful number, since it uses less digits than its factorization.

1818473012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19766038 (or 19766036 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 1818473012 is about 42643.5576846023. The cubic root of 1818473012 is about 1220.5875992337.

The spelling of 1818473012 in words is "one billion, eight hundred eighteen million, four hundred seventy-three thousand, twelve".