1836945534 has 8 divisors (see below), whose sum is σ = 3673891080. Its totient is φ = 612315176.

The previous prime is 1836945503. The next prime is 1836945553. The reversal of 1836945534 is 4355496381.

It is a sphenic number, since it is the product of 3 distinct primes.

1836945534 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153078789 + ... + 153078800.

It is an arithmetic number, because the mean of its divisors is an integer number (459236385).

Almost surely, 2^1836945534 is an apocalyptic number.

1836945534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1836945534 is a wasteful number, since it uses less digits than its factorization.

1836945534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306157594.

The product of its digits is 1555200, while the sum is 48.

The square root of 1836945534 is about 42859.6025879849. The cubic root of 1836945534 is about 1224.7066984046.

It can be divided in two parts, 18369 and 45534, that added together give a triangular number (63903 = T₃₅₇).

The spelling of 1836945534 in words is "one billion, eight hundred thirty-six million, nine hundred forty-five thousand, five hundred thirty-four".