3685140518 has 4 divisors (see below), whose sum is σ = 5527710780. Its totient is φ = 1842570258.

The previous prime is 3685140491. The next prime is 3685140527. The reversal of 3685140518 is 8150415863.

3685140518 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 921285128 + ... + 921285131.

It is an arithmetic number, because the mean of its divisors is an integer number (1381927695).

Almost surely, 2^3685140518 is an apocalyptic number.

3685140518 is a deficient number, since it is larger than the sum of its proper divisors (1842570262).

3685140518 is a wasteful number, since it uses less digits than its factorization.

3685140518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842570261.

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 3685140518 is about 60705.3582313786. The cubic root of 3685140518 is about 1544.6070670163.

The spelling of 3685140518 in words is "three billion, six hundred eighty-five million, one hundred forty thousand, five hundred eighteen".