19438250030 has 8 divisors (see below), whose sum is σ = 34988850072. Its totient is φ = 7775300008.

The previous prime is 19438250017. The next prime is 19438250047. The reversal of 19438250030 is 3005283491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971912492 + ... + 971912511.

It is an arithmetic number, because the mean of its divisors is an integer number (4373606259).

Almost surely, 2^19438250030 is an apocalyptic number.

19438250030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19438250030 is a deficient number, since it is larger than the sum of its proper divisors (15550600042).

19438250030 is a wasteful number, since it uses less digits than its factorization.

19438250030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943825010.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 19438250030 in words is "nineteen billion, four hundred thirty-eight million, two hundred fifty thousand, thirty".