4419965918 has 4 divisors (see below), whose sum is σ = 6629948880. Its totient is φ = 2209982958.

The previous prime is 4419965903. The next prime is 4419965933. The reversal of 4419965918 is 8195699144.

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

It is an interprime number because it is at equal distance from previous prime (4419965903) and next prime (4419965933).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1104991478 + ... + 1104991481.

It is an arithmetic number, because the mean of its divisors is an integer number (1657487220).

Almost surely, 2^4419965918 is an apocalyptic number.

4419965918 is a deficient number, since it is larger than the sum of its proper divisors (2209982962).

4419965918 is a wasteful number, since it uses less digits than its factorization.

4419965918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209982961.

The product of its digits is 2799360, while the sum is 56.

The square root of 4419965918 is about 66482.8242330303. The cubic root of 4419965918 is about 1641.1173624319.

The spelling of 4419965918 in words is "four billion, four hundred nineteen million, nine hundred sixty-five thousand, nine hundred eighteen".