1617412982 has 4 divisors (see below), whose sum is σ = 2426119476. Its totient is φ = 808706490.

The previous prime is 1617412939. The next prime is 1617412991. The reversal of 1617412982 is 2892147161.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404353244 + ... + 404353247.

It is an arithmetic number, because the mean of its divisors is an integer number (606529869).

Almost surely, 2^1617412982 is an apocalyptic number.

1617412982 is a deficient number, since it is larger than the sum of its proper divisors (808706494).

1617412982 is an equidigital number, since it uses as much as digits as its factorization.

1617412982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808706493.

The product of its digits is 48384, while the sum is 41.

The square root of 1617412982 is about 40217.0732649704. The cubic root of 1617412982 is about 1173.8347843894.

The spelling of 1617412982 in words is "one billion, six hundred seventeen million, four hundred twelve thousand, nine hundred eighty-two".