18950002736 has 20 divisors (see below), whose sum is σ = 41960720592. Its totient is φ = 8121429696.

The previous prime is 18950002693. The next prime is 18950002789. The reversal of 18950002736 is 63720005981.

It is a junction number, because it is equal to n+sod(n) for n = 18950002693 and 18950002702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84598115 + ... + 84598338.

Almost surely, 2^18950002736 is an apocalyptic number.

18950002736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18950002736 is an abundant number, since it is smaller than the sum of its proper divisors (23010717856).

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

18950002736 is a wasteful number, since it uses less digits than its factorization.

18950002736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169196468 (or 169196462 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 18950002736 in words is "eighteen billion, nine hundred fifty million, two thousand, seven hundred thirty-six".