4494361436491 has 4 divisors (see below), whose sum is σ = 4494369931912. Its totient is φ = 4494352941072.

The previous prime is 4494361436489. The next prime is 4494361436503. The reversal of 4494361436491 is 1946341634944.

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 4494361436491 - 2¹ = 4494361436489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4494361436291) 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, 3397425 + ... + 4531138.

It is an arithmetic number, because the mean of its divisors is an integer number (1123592482978).

Almost surely, 2^{4494361436491} is an apocalyptic number.

4494361436491 is a deficient number, since it is larger than the sum of its proper divisors (8495421).

4494361436491 is an equidigital number, since it uses as much as digits as its factorization.

4494361436491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8495420.

The product of its digits is 26873856, while the sum is 58.

The spelling of 4494361436491 in words is "four trillion, four hundred ninety-four billion, three hundred sixty-one million, four hundred thirty-six thousand, four hundred ninety-one".