1836413864 has 32 divisors (see below), whose sum is σ = 3612211200. Its totient is φ = 874050240.

The previous prime is 1836413819. The next prime is 1836413869. The reversal of 1836413864 is 4683146381.

It is not an unprimeable number, because it can be changed into a prime (1836413869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39272 + ... + 72215.

It is an arithmetic number, because the mean of its divisors is an integer number (112881600).

Almost surely, 2^1836413864 is an apocalyptic number.

It is an amenable number.

1836413864 is a deficient number, since it is larger than the sum of its proper divisors (1775797336).

1836413864 is a wasteful number, since it uses less digits than its factorization.

1836413864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111593 (or 111589 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 1836413864 is about 42853.3996784386. The cubic root of 1836413864 is about 1224.5885307492.

The spelling of 1836413864 in words is "one billion, eight hundred thirty-six million, four hundred thirteen thousand, eight hundred sixty-four".