5406128849979 has 48 divisors (see below), whose sum is σ = 9397793924064. Its totient is φ = 2950641676800.

The previous prime is 5406128849977. The next prime is 5406128849981. The reversal of 5406128849979 is 9799488216045.

5406128849979 is a `hidden beast` number, since 5 + 4 + 0 + 6 + 128 + 8 + 499 + 7 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (5406128849977) and next prime (5406128849981).

It is not a de Polignac number, because 5406128849979 - 2¹ = 5406128849977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5406128849977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51173652 + ... + 51279185.

It is an arithmetic number, because the mean of its divisors is an integer number (195787373418).

Almost surely, 2^{5406128849979} is an apocalyptic number.

5406128849979 is a deficient number, since it is larger than the sum of its proper divisors (3991665074085).

5406128849979 is a wasteful number, since it uses less digits than its factorization.

5406128849979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102452908 (or 102452905 counting only the distinct ones).

The product of its (nonzero) digits is 313528320, while the sum is 72.

The spelling of 5406128849979 in words is "five trillion, four hundred six billion, one hundred twenty-eight million, eight hundred forty-nine thousand, nine hundred seventy-nine".