19030851 has 24 divisors (see below), whose sum is σ = 31532384. Its totient is φ = 10834560.

The previous prime is 19030849. The next prime is 19030861. The reversal of 19030851 is 15803091.

It is not a de Polignac number, because 19030851 - 2¹ = 19030849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19030801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28461 + ... + 29121.

Almost surely, 2^19030851 is an apocalyptic number.

19030851 is a deficient number, since it is larger than the sum of its proper divisors (12501533).

19030851 is a wasteful number, since it uses less digits than its factorization.

19030851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131 (or 1128 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 19030851 is about 4362.4363605673. The cubic root of 19030851 is about 266.9845128415.

It can be divided in two parts, 19030 and 851, that added together give a square (19881 = 141²).

The spelling of 19030851 in words is "nineteen million, thirty thousand, eight hundred fifty-one".