19860302492 has 12 divisors (see below), whose sum is σ = 34756563576. Its totient is φ = 9929855760.

The previous prime is 19860302477. The next prime is 19860302503. The reversal of 19860302492 is 29420306891.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158738 + ... + 254790.

It is an arithmetic number, because the mean of its divisors is an integer number (2896380298).

Almost surely, 2^19860302492 is an apocalyptic number.

It is an amenable number.

19860302492 is a deficient number, since it is larger than the sum of its proper divisors (14896261084).

19860302492 is a wasteful number, since it uses less digits than its factorization.

19860302492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147748 (or 147746 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 19860302492 in words is "nineteen billion, eight hundred sixty million, three hundred two thousand, four hundred ninety-two".