19348767964 has 12 divisors (see below), whose sum is σ = 34647794104. Its totient is φ = 9449398224.

The previous prime is 19348767961. The next prime is 19348767973. The reversal of 19348767964 is 46976784391.

It is a junction number, because it is equal to n+sod(n) for n = 19348767896 and 19348767905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19348767961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56246247 + ... + 56246590.

Almost surely, 2^19348767964 is an apocalyptic number.

It is an amenable number.

19348767964 is a deficient number, since it is larger than the sum of its proper divisors (15299026140).

19348767964 is a wasteful number, since it uses less digits than its factorization.

19348767964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112492884 (or 112492882 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 64.

The spelling of 19348767964 in words is "nineteen billion, three hundred forty-eight million, seven hundred sixty-seven thousand, nine hundred sixty-four".