4638749577 has 32 divisors (see below), whose sum is σ = 7751614464. Its totient is φ = 2397100800.

The previous prime is 4638749569. The next prime is 4638749579. The reversal of 4638749577 is 7759478364.

It is not a de Polignac number, because 4638749577 - 2³ = 4638749569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4638749577.

It is not an unprimeable number, because it can be changed into a prime (4638749579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8448 + ... + 96689.

It is an arithmetic number, because the mean of its divisors is an integer number (242237952).

Almost surely, 2^4638749577 is an apocalyptic number.

It is an amenable number.

4638749577 is a deficient number, since it is larger than the sum of its proper divisors (3112864887).

4638749577 is a wasteful number, since it uses less digits than its factorization.

4638749577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105349.

The product of its digits is 35562240, while the sum is 60.

The square root of 4638749577 is about 68108.3664243975. The cubic root of 4638749577 is about 1667.7603425180.

The spelling of 4638749577 in words is "four billion, six hundred thirty-eight million, seven hundred forty-nine thousand, five hundred seventy-seven".