244661899 has 4 divisors (see below), whose sum is σ = 244914840. Its totient is φ = 244408960.

The previous prime is 244661897. The next prime is 244661903. The reversal of 244661899 is 998166442.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 244661899 - 2¹ = 244661897 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244661897) 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, 125014 + ... + 126955.

It is an arithmetic number, because the mean of its divisors is an integer number (61228710).

Almost surely, 2^244661899 is an apocalyptic number.

244661899 is a deficient number, since it is larger than the sum of its proper divisors (252941).

244661899 is an equidigital number, since it uses as much as digits as its factorization.

244661899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252940.

The product of its digits is 746496, while the sum is 49.

The square root of 244661899 is about 15641.6718735562. The cubic root of 244661899 is about 625.4445042706. Note that the first 3 decimals are identical.

The spelling of 244661899 in words is "two hundred forty-four million, six hundred sixty-one thousand, eight hundred ninety-nine".