19848963814 has 16 divisors (see below), whose sum is σ = 31515566400. Its totient is φ = 9349611624.

The previous prime is 19848963781. The next prime is 19848963851. The reversal of 19848963814 is 41836984891.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1452252 + ... + 1465855.

It is an arithmetic number, because the mean of its divisors is an integer number (1969722900).

Almost surely, 2^19848963814 is an apocalyptic number.

19848963814 is a deficient number, since it is larger than the sum of its proper divisors (11666602586).

19848963814 is a wasteful number, since it uses less digits than its factorization.

19848963814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918307.

The product of its digits is 11943936, while the sum is 61.

The spelling of 19848963814 in words is "nineteen billion, eight hundred forty-eight million, nine hundred sixty-three thousand, eight hundred fourteen".