19438064514 has 24 divisors (see below), whose sum is σ = 45944516592. Its totient is φ = 5890322520.

The previous prime is 19438064507. The next prime is 19438064533. The reversal of 19438064514 is 41546083491.

19438064514 is a `hidden beast` number, since 19 + 43 + 80 + 6 + 4 + 514 = 666.

It is a super-3 number, since 3×19438064514³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19438064514.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49085824 + ... + 49086219.

It is an arithmetic number, because the mean of its divisors is an integer number (1914354858).

Almost surely, 2^19438064514 is an apocalyptic number.

19438064514 is an abundant number, since it is smaller than the sum of its proper divisors (26506452078).

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

19438064514 is a wasteful number, since it uses less digits than its factorization.

19438064514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98172062 (or 98172059 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 19438064514 in words is "nineteen billion, four hundred thirty-eight million, sixty-four thousand, five hundred fourteen".