4488636434649 has 32 divisors (see below), whose sum is σ = 6025570611840. Its totient is φ = 2972135040000.

The previous prime is 4488636434641. The next prime is 4488636434687. The reversal of 4488636434649 is 9464346368844.

It is not a de Polignac number, because 4488636434649 - 2³ = 4488636434641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4488636434641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 573330667 + ... + 573338495.

It is an arithmetic number, because the mean of its divisors is an integer number (188299081620).

Almost surely, 2^{4488636434649} is an apocalyptic number.

It is an amenable number.

4488636434649 is a deficient number, since it is larger than the sum of its proper divisors (1536934177191).

4488636434649 is a wasteful number, since it uses less digits than its factorization.

4488636434649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9961.

The product of its digits is 1146617856, while the sum is 69.

The spelling of 4488636434649 in words is "four trillion, four hundred eighty-eight billion, six hundred thirty-six million, four hundred thirty-four thousand, six hundred forty-nine".