1868510434 has 48 divisors (see below), whose sum is σ = 3381663168. Its totient is φ = 771428448.

The previous prime is 1868510387. The next prime is 1868510447. The reversal of 1868510434 is 4340158681.

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 23 ways as a sum of consecutive naturals, for example, 370977 + ... + 375979.

It is an arithmetic number, because the mean of its divisors is an integer number (70451316).

Almost surely, 2^1868510434 is an apocalyptic number.

1868510434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1868510434 is a deficient number, since it is larger than the sum of its proper divisors (1513152734).

1868510434 is a wasteful number, since it uses less digits than its factorization.

1868510434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5159 (or 5152 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 1868510434 is about 43226.2701837667. The cubic root of 1868510434 is about 1231.6817575045.

The spelling of 1868510434 in words is "one billion, eight hundred sixty-eight million, five hundred ten thousand, four hundred thirty-four".