19467794452 has 12 divisors (see below), whose sum is σ = 34086959956. Its totient is φ = 9728663040.

The previous prime is 19467794413. The next prime is 19467794491. The reversal of 19467794452 is 25449776491.

It is an interprime number because it is at equal distance from previous prime (19467794413) and next prime (19467794491).

It can be written as a sum of positive squares in 2 ways, for example, as 1189836036 + 18277958416 = 34494^2 + 135196^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1300173 + ... + 1315060.

Almost surely, 2^19467794452 is an apocalyptic number.

It is an amenable number.

19467794452 is a deficient number, since it is larger than the sum of its proper divisors (14619165504).

19467794452 is a wasteful number, since it uses less digits than its factorization.

19467794452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617098 (or 2617096 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 58.

The spelling of 19467794452 in words is "nineteen billion, four hundred sixty-seven million, seven hundred ninety-four thousand, four hundred fifty-two".