4493866997 has 4 divisors (see below), whose sum is σ = 4494336780. Its totient is φ = 4493397216.

The previous prime is 4493866967. The next prime is 4493867003. The reversal of 4493866997 is 7996683944.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 827080081 + 3666786916 = 28759^2 + 60554^2 .

It is a cyclic number.

It is not a de Polignac number, because 4493866997 - 2¹⁶ = 4493801461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4493866957) 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, 220238 + ... + 239775.

It is an arithmetic number, because the mean of its divisors is an integer number (1123584195).

Almost surely, 2^4493866997 is an apocalyptic number.

It is an amenable number.

4493866997 is a deficient number, since it is larger than the sum of its proper divisors (469783).

4493866997 is an equidigital number, since it uses as much as digits as its factorization.

4493866997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469782.

The product of its digits is 70543872, while the sum is 65.

The square root of 4493866997 is about 67036.3110336480. The cubic root of 4493866997 is about 1650.2132564276.

The spelling of 4493866997 in words is "four billion, four hundred ninety-three million, eight hundred sixty-six thousand, nine hundred ninety-seven".