1828019099 has 4 divisors (see below), whose sum is σ = 1846118400. Its totient is φ = 1809919800.

The previous prime is 1828019069. The next prime is 1828019101. The reversal of 1828019099 is 9909108281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9909108281 = 29 ⋅341693389.

It is a cyclic number.

It is not a de Polignac number, because 1828019099 - 2²⁸ = 1559583643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1828019069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9049499 + ... + 9049700.

It is an arithmetic number, because the mean of its divisors is an integer number (461529600).

Almost surely, 2^1828019099 is an apocalyptic number.

1828019099 is a deficient number, since it is larger than the sum of its proper divisors (18099301).

1828019099 is a wasteful number, since it uses less digits than its factorization.

1828019099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18099300.

The product of its (nonzero) digits is 93312, while the sum is 47.

The square root of 1828019099 is about 42755.3400056648. The cubic root of 1828019099 is about 1222.7197005065.

The spelling of 1828019099 in words is "one billion, eight hundred twenty-eight million, nineteen thousand, ninety-nine".