19030252550 has 48 divisors (see below), whose sum is σ = 36375772992. Its totient is φ = 7401715200.

The previous prime is 19030252547. The next prime is 19030252597. The reversal of 19030252550 is 5525203091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5239235 + ... + 5242865.

It is an arithmetic number, because the mean of its divisors is an integer number (757828604).

Almost surely, 2^19030252550 is an apocalyptic number.

19030252550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19030252550 is a deficient number, since it is larger than the sum of its proper divisors (17345520442).

19030252550 is a wasteful number, since it uses less digits than its factorization.

19030252550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6513 (or 6508 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

The spelling of 19030252550 in words is "nineteen billion, thirty million, two hundred fifty-two thousand, five hundred fifty".