1800249941 has 8 divisors (see below), whose sum is σ = 2060694144. Its totient is φ = 1540622160.

The previous prime is 1800249827. The next prime is 1800249953. The reversal of 1800249941 is 1499420081.

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

It is not a de Polignac number, because 1800249941 - 2²⁶ = 1733141077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1800249895 and 1800249904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1800249961) 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, 199370 + ... + 208203.

It is an arithmetic number, because the mean of its divisors is an integer number (257586768).

Almost surely, 2^1800249941 is an apocalyptic number.

It is an amenable number.

1800249941 is a deficient number, since it is larger than the sum of its proper divisors (260444203).

1800249941 is an equidigital number, since it uses as much as digits as its factorization.

1800249941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408211.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 1800249941 is about 42429.3523518802. The cubic root of 1800249941 is about 1216.4966999033.

The spelling of 1800249941 in words is "one billion, eight hundred million, two hundred forty-nine thousand, nine hundred forty-one".