44869819 has 4 divisors (see below), whose sum is σ = 45824544. Its totient is φ = 43915096.

The previous prime is 44869813. The next prime is 44869837. The reversal of 44869819 is 91896844.

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 44869819 - 2⁷ = 44869691 is a prime.

It is a super-2 number, since 2×44869819² = 4026601314185522, which contains 22 as substring.

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 (44869813) 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, 477292 + ... + 477385.

It is an arithmetic number, because the mean of its divisors is an integer number (11456136).

Almost surely, 2^44869819 is an apocalyptic number.

44869819 is a deficient number, since it is larger than the sum of its proper divisors (954725).

44869819 is an equidigital number, since it uses as much as digits as its factorization.

44869819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954724.

The product of its digits is 497664, while the sum is 49.

The square root of 44869819 is about 6698.4937859193. The cubic root of 44869819 is about 355.3460066287.

The spelling of 44869819 in words is "forty-four million, eight hundred sixty-nine thousand, eight hundred nineteen".