16719233434 has 16 divisors (see below), whose sum is σ = 25715575080. Its totient is φ = 8149800960.

The previous prime is 16719233429. The next prime is 16719233471. The reversal of 16719233434 is 43433291761.

It can be written as a sum of positive squares in 4 ways, for example, as 3282946209 + 13436287225 = 57297^2 + 115915^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592599 + ... + 620170.

Almost surely, 2^16719233434 is an apocalyptic number.

16719233434 is a deficient number, since it is larger than the sum of its proper divisors (8996341646).

16719233434 is a wasteful number, since it uses less digits than its factorization.

16719233434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212945.

The product of its digits is 326592, while the sum is 43.

The spelling of 16719233434 in words is "sixteen billion, seven hundred nineteen million, two hundred thirty-three thousand, four hundred thirty-four".