490048146779 has 4 divisors (see below), whose sum is σ = 490061834184. Its totient is φ = 490034459376.

The previous prime is 490048146767. The next prime is 490048146781. The reversal of 490048146779 is 977641840094.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 977641840094 = 2 ⋅488820920047.

It is a cyclic number.

It is not a de Polignac number, because 490048146779 - 2²⁴ = 490031369563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490048146739) 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 3 ways as a sum of consecutive naturals, for example, 6789857 + ... + 6861650.

It is an arithmetic number, because the mean of its divisors is an integer number (122515458546).

Almost surely, 2^490048146779 is an apocalyptic number.

490048146779 is a deficient number, since it is larger than the sum of its proper divisors (13687405).

490048146779 is a wasteful number, since it uses less digits than its factorization.

490048146779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13687404.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 490048146779 in words is "four hundred ninety billion, forty-eight million, one hundred forty-six thousand, seven hundred seventy-nine".