1829485685 has 8 divisors (see below), whose sum is σ = 2324523096. Its totient is φ = 1377495040.

The previous prime is 1829485667. The next prime is 1829485703. The reversal of 1829485685 is 5865849281.

It is an interprime number because it is at equal distance from previous prime (1829485667) and next prime (1829485703).

It can be written as a sum of positive squares in 4 ways, for example, as 10804369 + 1818681316 = 3287^2 + 42646^2 .

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

It is not a de Polignac number, because 1829485685 - 2²² = 1825291381 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 1829485685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10761596 + ... + 10761765.

It is an arithmetic number, because the mean of its divisors is an integer number (290565387).

Almost surely, 2^1829485685 is an apocalyptic number.

It is an amenable number.

1829485685 is a deficient number, since it is larger than the sum of its proper divisors (495037411).

1829485685 is a wasteful number, since it uses less digits than its factorization.

1829485685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21523383.

The product of its digits is 5529600, while the sum is 56.

The square root of 1829485685 is about 42772.4874773493. The cubic root of 1829485685 is about 1223.0466015862.

The spelling of 1829485685 in words is "one billion, eight hundred twenty-nine million, four hundred eighty-five thousand, six hundred eighty-five".