1828192117 has 4 divisors (see below), whose sum is σ = 1831234636. Its totient is φ = 1825149600.

The previous prime is 1828192081. The next prime is 1828192139. The reversal of 1828192117 is 7112918281.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1255355761 + 572836356 = 35431^2 + 23934^2 .

It is a cyclic number.

It is not a de Polignac number, because 1828192117 - 2¹⁵ = 1828159349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1828192117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1828192187) 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, 1520358 + ... + 1521559.

It is an arithmetic number, because the mean of its divisors is an integer number (457808659).

Almost surely, 2^1828192117 is an apocalyptic number.

It is an amenable number.

1828192117 is a deficient number, since it is larger than the sum of its proper divisors (3042519).

1828192117 is an equidigital number, since it uses as much as digits as its factorization.

1828192117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042518.

The product of its digits is 16128, while the sum is 40.

The square root of 1828192117 is about 42757.3633073884. The cubic root of 1828192117 is about 1222.7582752025.

The spelling of 1828192117 in words is "one billion, eight hundred twenty-eight million, one hundred ninety-two thousand, one hundred seventeen".