19930003986 has 32 divisors (see below), whose sum is σ = 40729667328. Its totient is φ = 6498541440.

The previous prime is 19930003927. The next prime is 19930003987. The reversal of 19930003986 is 68930003991.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (19930003987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544296 + ... + 579756.

It is an arithmetic number, because the mean of its divisors is an integer number (1272802104).

Almost surely, 2^19930003986 is an apocalyptic number.

19930003986 is an abundant number, since it is smaller than the sum of its proper divisors (20799663342).

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

19930003986 is a wasteful number, since it uses less digits than its factorization.

19930003986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37506.

The product of its (nonzero) digits is 314928, while the sum is 48.

The spelling of 19930003986 in words is "nineteen billion, nine hundred thirty million, three thousand, nine hundred eighty-six".