19269425850 has 48 divisors (see below), whose sum is σ = 47805803328. Its totient is φ = 5136618240.

The previous prime is 19269425849. The next prime is 19269425933. The reversal of 19269425850 is 5852496291.

It is a junction number, because it is equal to n+sod(n) for n = 19269425793 and 19269425802.

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 23 ways as a sum of consecutive naturals, for example, 410802 + ... + 455298.

It is an arithmetic number, because the mean of its divisors is an integer number (995954236).

Almost surely, 2^19269425850 is an apocalyptic number.

19269425850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19269425850 is an abundant number, since it is smaller than the sum of its proper divisors (28536377478).

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

19269425850 is a wasteful number, since it uses less digits than its factorization.

19269425850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47399 (or 47394 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 19269425850 in words is "nineteen billion, two hundred sixty-nine million, four hundred twenty-five thousand, eight hundred fifty".