4762638891 has 24 divisors (see below), whose sum is σ = 7234665984. Its totient is φ = 3130361640.

The previous prime is 4762638869. The next prime is 4762638899. The reversal of 4762638891 is 1988362674.

4762638891 is a `hidden beast` number, since 4 + 7 + 626 + 3 + 8 + 8 + 9 + 1 = 666.

It is not a de Polignac number, because 4762638891 - 2¹⁷ = 4762507819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4762638899) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120771 + ... + 155276.

It is an arithmetic number, because the mean of its divisors is an integer number (301444416).

Almost surely, 2^4762638891 is an apocalyptic number.

4762638891 is a deficient number, since it is larger than the sum of its proper divisors (2472027093).

4762638891 is an equidigital number, since it uses as much as digits as its factorization.

4762638891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276133 (or 276121 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 4762638891 is about 69011.8749998868. The cubic root of 4762638891 is about 1682.4773177433.

The spelling of 4762638891 in words is "four billion, seven hundred sixty-two million, six hundred thirty-eight thousand, eight hundred ninety-one".