1819922053 has 8 divisors (see below), whose sum is σ = 1887539456. Its totient is φ = 1752861600.

The previous prime is 1819922023. The next prime is 1819922089. The reversal of 1819922053 is 3502299181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1819922053 - 2⁵ = 1819922021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1819921997 and 1819922015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1819922023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132576 + ... + 145657.

It is an arithmetic number, because the mean of its divisors is an integer number (235942432).

Almost surely, 2^1819922053 is an apocalyptic number.

It is an amenable number.

1819922053 is a deficient number, since it is larger than the sum of its proper divisors (67617403).

1819922053 is a wasteful number, since it uses less digits than its factorization.

1819922053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278475.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 1819922053 is about 42660.5444526907. The cubic root of 1819922053 is about 1220.9117195045.

The spelling of 1819922053 in words is "one billion, eight hundred nineteen million, nine hundred twenty-two thousand, fifty-three".