19254030051 has 16 divisors (see below), whose sum is σ = 27208396800. Its totient is φ = 12069299328.

The previous prime is 19254030023. The next prime is 19254030053. The reversal of 19254030051 is 15003045291.

It is not a de Polignac number, because 19254030051 - 2⁶ = 19254029987 is a prime.

It is a super-2 number, since 2×19254030051² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19254030053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128691 + ... + 234668.

It is an arithmetic number, because the mean of its divisors is an integer number (1700524800).

Almost surely, 2^19254030051 is an apocalyptic number.

19254030051 is a deficient number, since it is larger than the sum of its proper divisors (7954366749).

19254030051 is a wasteful number, since it uses less digits than its factorization.

19254030051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364418.

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 19254030051 in words is "nineteen billion, two hundred fifty-four million, thirty thousand, fifty-one".