1919360004856 has 192 divisors, whose sum is σ = 4503565440000. Its totient is φ = 762340190976.

The previous prime is 1919360004841. The next prime is 1919360004871. The reversal of 1919360004856 is 6584000639191.

It is an interprime number because it is at equal distance from previous prime (1919360004841) and next prime (1919360004871).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64119765 + ... + 64149691.

It is an arithmetic number, because the mean of its divisors is an integer number (23456070000).

Almost surely, 2^{1919360004856} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1919360004856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2251782720000).

1919360004856 is an abundant number, since it is smaller than the sum of its proper divisors (2584205435144).

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

1919360004856 is a wasteful number, since it uses less digits than its factorization.

1919360004856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30154 (or 30143 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 1919360004856 in words is "one trillion, nine hundred nineteen billion, three hundred sixty million, four thousand, eight hundred fifty-six".