47912479514666 has 16 divisors (see below), whose sum is σ = 77397574429224. Its totient is φ = 22113311473344.

The previous prime is 47912479514633. The next prime is 47912479514693. The reversal of 47912479514666 is 66641597421974.

It can be written as a sum of positive squares in 4 ways, for example, as 14089775713225 + 33822703801441 = 3753635^2 + 5815729^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47912479514666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1633685 + ... + 9924408.

Almost surely, 2^{47912479514666} is an apocalyptic number.

47912479514666 is a deficient number, since it is larger than the sum of its proper divisors (29485094914558).

47912479514666 is a wasteful number, since it uses less digits than its factorization.

47912479514666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11717545.

The product of its digits is 548674560, while the sum is 71.

The spelling of 47912479514666 in words is "forty-seven trillion, nine hundred twelve billion, four hundred seventy-nine million, five hundred fourteen thousand, six hundred sixty-six".