19052612918 has 4 divisors (see below), whose sum is σ = 28578919380. Its totient is φ = 9526306458.

The previous prime is 19052612869. The next prime is 19052612923. The reversal of 19052612918 is 81921625091.

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, 4763153228 + ... + 4763153231.

It is an arithmetic number, because the mean of its divisors is an integer number (7144729845).

Almost surely, 2^19052612918 is an apocalyptic number.

19052612918 is a deficient number, since it is larger than the sum of its proper divisors (9526306462).

19052612918 is an equidigital number, since it uses as much as digits as its factorization.

19052612918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9526306461.

The product of its (nonzero) digits is 77760, while the sum is 44.

The spelling of 19052612918 in words is "nineteen billion, fifty-two million, six hundred twelve thousand, nine hundred eighteen".