19549680950 has 12 divisors (see below), whose sum is σ = 36362406660. Its totient is φ = 7819872360.

The previous prime is 19549680929. The next prime is 19549681027. The reversal of 19549680950 is 5908694591.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 195496760 + ... + 195496859.

It is an arithmetic number, because the mean of its divisors is an integer number (3030200555).

Almost surely, 2^19549680950 is an apocalyptic number.

19549680950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19549680950 is a deficient number, since it is larger than the sum of its proper divisors (16812725710).

19549680950 is a wasteful number, since it uses less digits than its factorization.

19549680950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390993631 (or 390993626 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 56.

The spelling of 19549680950 in words is "nineteen billion, five hundred forty-nine million, six hundred eighty thousand, nine hundred fifty".