2447393813516 has 48 divisors (see below), whose sum is σ = 4416202492128. Its totient is φ = 1186389120000.

The previous prime is 2447393813467. The next prime is 2447393813539. The reversal of 2447393813516 is 6153183937442.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3466166 + ... + 4112066.

It is an arithmetic number, because the mean of its divisors is an integer number (92004218586).

Almost surely, 2^{2447393813516} is an apocalyptic number.

It is an amenable number.

2447393813516 is a deficient number, since it is larger than the sum of its proper divisors (1968808678612).

2447393813516 is a wasteful number, since it uses less digits than its factorization.

2447393813516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646202 (or 646200 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 56.

The spelling of 2447393813516 in words is "two trillion, four hundred forty-seven billion, three hundred ninety-three million, eight hundred thirteen thousand, five hundred sixteen".