1801283249 has 8 divisors (see below), whose sum is σ = 1905349632. Its totient is φ = 1699362720.

The previous prime is 1801283227. The next prime is 1801283257. The reversal of 1801283249 is 9423821081.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1801283249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1801283219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534737 + ... + 538094.

It is an arithmetic number, because the mean of its divisors is an integer number (238168704).

Almost surely, 2^1801283249 is an apocalyptic number.

It is an amenable number.

1801283249 is a deficient number, since it is larger than the sum of its proper divisors (104066383).

1801283249 is a wasteful number, since it uses less digits than its factorization.

1801283249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072927.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 1801283249 is about 42441.5274112514. The cubic root of 1801283249 is about 1216.7294037664.

The spelling of 1801283249 in words is "one billion, eight hundred one million, two hundred eighty-three thousand, two hundred forty-nine".