19034649142 has 4 divisors (see below), whose sum is σ = 28551973716. Its totient is φ = 9517324570.

The previous prime is 19034649113. The next prime is 19034649167. The reversal of 19034649142 is 24194643091.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4758662284 + ... + 4758662287.

It is an arithmetic number, because the mean of its divisors is an integer number (7137993429).

Almost surely, 2^19034649142 is an apocalyptic number.

19034649142 is a deficient number, since it is larger than the sum of its proper divisors (9517324574).

19034649142 is an equidigital number, since it uses as much as digits as its factorization.

19034649142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9517324573.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 19034649142 in words is "nineteen billion, thirty-four million, six hundred forty-nine thousand, one hundred forty-two".