18701850002 has 16 divisors (see below), whose sum is σ = 30971741472. Its totient is φ = 8398420320.

The previous prime is 18701849993. The next prime is 18701850007. The reversal of 18701850002 is 20005810781.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18701850007) 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, 5119163 + ... + 5122814.

It is an arithmetic number, because the mean of its divisors is an integer number (1935733842).

Almost surely, 2^18701850002 is an apocalyptic number.

18701850002 is a deficient number, since it is larger than the sum of its proper divisors (12269891470).

18701850002 is a wasteful number, since it uses less digits than its factorization.

18701850002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10242073.

The product of its (nonzero) digits is 4480, while the sum is 32.

The spelling of 18701850002 in words is "eighteen billion, seven hundred one million, eight hundred fifty thousand, two".