1617272573242 has 16 divisors (see below), whose sum is σ = 2553949425600. Its totient is φ = 765968136480.

The previous prime is 1617272573233. The next prime is 1617272573269. The reversal of 1617272573242 is 2423752727161.

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, 2737059 + ... + 3275062.

It is an arithmetic number, because the mean of its divisors is an integer number (159621839100).

Almost surely, 2^{1617272573242} is an apocalyptic number.

1617272573242 is a deficient number, since it is larger than the sum of its proper divisors (936676852358).

1617272573242 is a wasteful number, since it uses less digits than its factorization.

1617272573242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6019221.

The product of its digits is 1975680, while the sum is 49.

The spelling of 1617272573242 in words is "one trillion, six hundred seventeen billion, two hundred seventy-two million, five hundred seventy-three thousand, two hundred forty-two".