4526443994 has 8 divisors (see below), whose sum is σ = 6790352628. Its totient is φ = 2262993120.

The previous prime is 4526443991. The next prime is 4526443997. The reversal of 4526443994 is 4993446254.

It is an interprime number because it is at equal distance from previous prime (4526443991) and next prime (4526443997).

It can be written as a sum of positive squares in 2 ways, for example, as 3914128969 + 612315025 = 62563^2 + 24745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4526443991) 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, 88547 + ... + 129974.

Almost surely, 2^4526443994 is an apocalyptic number.

4526443994 is a deficient number, since it is larger than the sum of its proper divisors (2263908634).

4526443994 is a wasteful number, since it uses less digits than its factorization.

4526443994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228880.

The product of its digits is 3732480, while the sum is 50.

The square root of 4526443994 is about 67278.8525021050. The cubic root of 4526443994 is about 1654.1912416489.

It can be divided in two parts, 452 and 6443994, that added together give a palindrome (6444446).

The spelling of 4526443994 in words is "four billion, five hundred twenty-six million, four hundred forty-three thousand, nine hundred ninety-four".