17213283478 has 12 divisors (see below), whose sum is σ = 26380980612. Its totient is φ = 8423519540.

The previous prime is 17213283463. The next prime is 17213283487. The reversal of 17213283478 is 87438231271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1943668 + ... + 1952503.

It is an arithmetic number, because the mean of its divisors is an integer number (2198415051).

Almost surely, 2^17213283478 is an apocalyptic number.

17213283478 is a deficient number, since it is larger than the sum of its proper divisors (9167697134).

17213283478 is an equidigital number, since it uses as much as digits as its factorization.

17213283478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3896267 (or 3896220 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The spelling of 17213283478 in words is "seventeen billion, two hundred thirteen million, two hundred eighty-three thousand, four hundred seventy-eight".