1919573052 has 24 divisors (see below), whose sum is σ = 4491702096. Its totient is φ = 638043648.

The previous prime is 1919573011. The next prime is 1919573053. The reversal of 1919573052 is 2503759191.

1919573052 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1919572995 and 1919573013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1919573053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222343 + ... + 230814.

It is an arithmetic number, because the mean of its divisors is an integer number (187154254).

Almost surely, 2^1919573052 is an apocalyptic number.

1919573052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1919573052 is an abundant number, since it is smaller than the sum of its proper divisors (2572129044).

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

1919573052 is a wasteful number, since it uses less digits than its factorization.

1919573052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453517 (or 453515 counting only the distinct ones).

The product of its (nonzero) digits is 85050, while the sum is 42.

The square root of 1919573052 is about 43812.9324743277. The cubic root of 1919573052 is about 1242.8008686975.

The spelling of 1919573052 in words is "one billion, nine hundred nineteen million, five hundred seventy-three thousand, fifty-two".