617291371050 has 24 divisors (see below), whose sum is σ = 1530882600576. Its totient is φ = 164611032240.

The previous prime is 617291371043. The next prime is 617291371087. The reversal of 617291371050 is 50173192716.

It is a junction number, because it is equal to n+sod(n) for n = 617291370993 and 617291371011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2057637754 + ... + 2057638053.

It is an arithmetic number, because the mean of its divisors is an integer number (63786775024).

Almost surely, 2^617291371050 is an apocalyptic number.

617291371050 is an abundant number, since it is smaller than the sum of its proper divisors (913591229526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

617291371050 is a wasteful number, since it uses less digits than its factorization.

617291371050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115275822 (or 4115275817 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 42.

The spelling of 617291371050 in words is "six hundred seventeen billion, two hundred ninety-one million, three hundred seventy-one thousand, fifty".