49166675979 has 16 divisors (see below), whose sum is σ = 67202382240. Its totient is φ = 31955517440.

The previous prime is 49166675963. The next prime is 49166675989. The reversal of 49166675979 is 97957666194.

It is a cyclic number.

It is not a de Polignac number, because 49166675979 - 2⁴ = 49166675963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49166675989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31459 + ... + 315155.

It is an arithmetic number, because the mean of its divisors is an integer number (4200148890).

Almost surely, 2^49166675979 is an apocalyptic number.

49166675979 is a deficient number, since it is larger than the sum of its proper divisors (18035706261).

49166675979 is a wasteful number, since it uses less digits than its factorization.

49166675979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285150.

The product of its digits is 154314720, while the sum is 69.

It can be divided in two parts, 491666 and 75979, that added together give a triangular number (567645 = T₁₀₆₅).

The spelling of 49166675979 in words is "forty-nine billion, one hundred sixty-six million, six hundred seventy-five thousand, nine hundred seventy-nine".