1919000009052 has 36 divisors (see below), whose sum is σ = 5543777804656. Its totient is φ = 548285716800.

The previous prime is 1919000009051. The next prime is 1919000009077. The reversal of 1919000009052 is 2509000009191.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1919000009052² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1919000008998 and 1919000009016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1919000009051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3807539449 + ... + 3807539952.

Almost surely, 2^{1919000009052} is an apocalyptic number.

1919000009052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1919000009052 is an abundant number, since it is smaller than the sum of its proper divisors (3624777795604).

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

1919000009052 is a wasteful number, since it uses less digits than its factorization.

1919000009052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7615079418 (or 7615079413 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 36.

The spelling of 1919000009052 in words is "one trillion, nine hundred nineteen billion, nine thousand, fifty-two".