19274471142 has 8 divisors (see below), whose sum is σ = 38548942296. Its totient is φ = 6424823712.

The previous prime is 19274471137. The next prime is 19274471147. The reversal of 19274471142 is 24117447291.

It is an interprime number because it is at equal distance from previous prime (19274471137) and next prime (19274471147).

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

19274471142 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 19274471094 and 19274471103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19274471147) 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 3 ways as a sum of consecutive naturals, for example, 1606205923 + ... + 1606205934.

It is an arithmetic number, because the mean of its divisors is an integer number (4818617787).

Almost surely, 2^19274471142 is an apocalyptic number.

19274471142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19274471142 is a wasteful number, since it uses less digits than its factorization.

19274471142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212411862.

The product of its digits is 112896, while the sum is 42.

The spelling of 19274471142 in words is "nineteen billion, two hundred seventy-four million, four hundred seventy-one thousand, one hundred forty-two".