1818492912 has 30 divisors (see below), whose sum is σ = 5089254872. Its totient is φ = 606164256.

The previous prime is 1818492887. The next prime is 1818492917. The reversal of 1818492912 is 2192948181.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1818492917) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6314068 + ... + 6314355.

Almost surely, 2^1818492912 is an apocalyptic number.

1818492912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1818492912 is an abundant number, since it is smaller than the sum of its proper divisors (3270761960).

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

1818492912 is a wasteful number, since it uses less digits than its factorization.

1818492912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12628437 (or 12628428 counting only the distinct ones).

The product of its digits is 82944, while the sum is 45.

The square root of 1818492912 is about 42643.7910134641. The cubic root of 1818492912 is about 1220.5920516148.

The spelling of 1818492912 in words is "one billion, eight hundred eighteen million, four hundred ninety-two thousand, nine hundred twelve".