1812863364 has 24 divisors (see below), whose sum is σ = 4555400640. Its totient is φ = 557804064.

The previous prime is 1812863333. The next prime is 1812863383. The reversal of 1812863364 is 4633682181.

It is a super-3 number, since 3×1812863364³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5810304 + ... + 5810615.

It is an arithmetic number, because the mean of its divisors is an integer number (189808360).

Almost surely, 2^1812863364 is an apocalyptic number.

It is an amenable number.

1812863364 is an abundant number, since it is smaller than the sum of its proper divisors (2742537276).

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

1812863364 is a wasteful number, since it uses less digits than its factorization.

1812863364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11620939 (or 11620937 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 1812863364 is about 42577.7331947111. The cubic root of 1812863364 is about 1219.3312118748.

The spelling of 1812863364 in words is "one billion, eight hundred twelve million, eight hundred sixty-three thousand, three hundred sixty-four".