4979480122638 has 48 divisors (see below), whose sum is σ = 12330519548256. Its totient is φ = 1422664957440.

The previous prime is 4979480122637. The next prime is 4979480122657. The reversal of 4979480122638 is 8362210849794.

4979480122638 is a `hidden beast` number, since 4 + 9 + 79 + 480 + 1 + 22 + 63 + 8 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4979480122637) 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 23 ways as a sum of consecutive naturals, for example, 3634170 + ... + 4813122.

It is an arithmetic number, because the mean of its divisors is an integer number (256885823922).

Almost surely, 2^{4979480122638} is an apocalyptic number.

4979480122638 is an abundant number, since it is smaller than the sum of its proper divisors (7351039425618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4979480122638 is a wasteful number, since it uses less digits than its factorization.

4979480122638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212489 (or 1212486 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 4979480122638 in words is "four trillion, nine hundred seventy-nine billion, four hundred eighty million, one hundred twenty-two thousand, six hundred thirty-eight".