1830534249 has 4 divisors (see below), whose sum is σ = 2440712336. Its totient is φ = 1220356164.

The previous prime is 1830534247. The next prime is 1830534287. The reversal of 1830534249 is 9424350381.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1830534249 - 2¹ = 1830534247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1830534247) 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, 305089039 + ... + 305089044.

It is an arithmetic number, because the mean of its divisors is an integer number (610178084).

Almost surely, 2^1830534249 is an apocalyptic number.

It is an amenable number.

1830534249 is a deficient number, since it is larger than the sum of its proper divisors (610178087).

1830534249 is an equidigital number, since it uses as much as digits as its factorization.

1830534249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610178086.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 1830534249 is about 42784.7431802506. The cubic root of 1830534249 is about 1223.2802187381.

The spelling of 1830534249 in words is "one billion, eight hundred thirty million, five hundred thirty-four thousand, two hundred forty-nine".