4719626638 has 12 divisors (see below), whose sum is σ = 7471653840. Its totient is φ = 2235612276.

The previous prime is 4719626629. The next prime is 4719626641. The reversal of 4719626638 is 8366269174.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 3267718 + ... + 3269161.

It is an arithmetic number, because the mean of its divisors is an integer number (622637820).

Almost surely, 2^4719626638 is an apocalyptic number.

4719626638 is a deficient number, since it is larger than the sum of its proper divisors (2752027202).

4719626638 is a wasteful number, since it uses less digits than its factorization.

4719626638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6536919 (or 6536900 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 52.

The square root of 4719626638 is about 68699.5388485250. The cubic root of 4719626638 is about 1677.3970744188.

The spelling of 4719626638 in words is "four billion, seven hundred nineteen million, six hundred twenty-six thousand, six hundred thirty-eight".