4438498745 has 4 divisors (see below), whose sum is σ = 5326198500. Its totient is φ = 3550798992.

The previous prime is 4438498741. The next prime is 4438498759. The reversal of 4438498745 is 5478948344.

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 1318270864 + 3120227881 = 36308^2 + 55859^2 .

It is a cyclic number.

It is not a de Polignac number, because 4438498745 - 2² = 4438498741 is a prime.

It is a super-2 number, since 2×4438498745² = 39400542218733150050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4438498741) 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, 443849870 + ... + 443849879.

It is an arithmetic number, because the mean of its divisors is an integer number (1331549625).

Almost surely, 2^4438498745 is an apocalyptic number.

It is an amenable number.

4438498745 is a deficient number, since it is larger than the sum of its proper divisors (887699755).

4438498745 is an equidigital number, since it uses as much as digits as its factorization.

4438498745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887699754.

The product of its digits is 15482880, while the sum is 56.

The square root of 4438498745 is about 66622.0589970019. The cubic root of 4438498745 is about 1643.4078879161.

The spelling of 4438498745 in words is "four billion, four hundred thirty-eight million, four hundred ninety-eight thousand, seven hundred forty-five".