4646878260049 has 8 divisors (see below), whose sum is σ = 4807166861160. Its totient is φ = 4486593086976.

The previous prime is 4646878260023. The next prime is 4646878260061. The reversal of 4646878260049 is 9400628786464.

It can be written as a sum of positive squares in 4 ways, for example, as 323106980625 + 4323771279424 = 568425^2 + 2079368^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4646878260049 - 2⁷ = 4646878259921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4646878260149) 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 7 ways as a sum of consecutive naturals, for example, 2070379 + ... + 3685135.

It is an arithmetic number, because the mean of its divisors is an integer number (600895857645).

Almost surely, 2^{4646878260049} is an apocalyptic number.

It is an amenable number.

4646878260049 is a deficient number, since it is larger than the sum of its proper divisors (160288601111).

4646878260049 is a wasteful number, since it uses less digits than its factorization.

4646878260049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714019.

The product of its (nonzero) digits is 111476736, while the sum is 64.

The spelling of 4646878260049 in words is "four trillion, six hundred forty-six billion, eight hundred seventy-eight million, two hundred sixty thousand, forty-nine".