1829405345 has 4 divisors (see below), whose sum is σ = 2195286420. Its totient is φ = 1463524272.

The previous prime is 1829405327. The next prime is 1829405419. The reversal of 1829405345 is 5435049281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5435049281 = 18301 ⋅296981.

It can be written as a sum of positive squares in 2 ways, for example, as 942735616 + 886669729 = 30704^2 + 29777^2 .

It is a cyclic number.

It is not a de Polignac number, because 1829405345 - 2⁸ = 1829405089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182940530 + ... + 182940539.

It is an arithmetic number, because the mean of its divisors is an integer number (548821605).

Almost surely, 2^1829405345 is an apocalyptic number.

It is an amenable number.

1829405345 is a deficient number, since it is larger than the sum of its proper divisors (365881075).

1829405345 is an equidigital number, since it uses as much as digits as its factorization.

1829405345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365881074.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 1829405345 is about 42771.5483119328. The cubic root of 1829405345 is about 1223.0286983757.

The spelling of 1829405345 in words is "one billion, eight hundred twenty-nine million, four hundred five thousand, three hundred forty-five".