1818000974 has 4 divisors (see below), whose sum is σ = 2727001464. Its totient is φ = 909000486.

The previous prime is 1818000971. The next prime is 1818000991. The reversal of 1818000974 is 4790008181.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1818000971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454500242 + ... + 454500245.

It is an arithmetic number, because the mean of its divisors is an integer number (681750366).

Almost surely, 2^1818000974 is an apocalyptic number.

1818000974 is a deficient number, since it is larger than the sum of its proper divisors (909000490).

1818000974 is an equidigital number, since it uses as much as digits as its factorization.

1818000974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909000489.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 1818000974 is about 42638.0226323876. The cubic root of 1818000974 is about 1220.4819769917.

The spelling of 1818000974 in words is "one billion, eight hundred eighteen million, nine hundred seventy-four", and thus it is an aban number.