655098837917 has 8 divisors (see below), whose sum is σ = 671124100920. Its totient is φ = 639075824640.

The previous prime is 655098837851. The next prime is 655098837931. The reversal of 655098837917 is 719738890556.

It can be written as a sum of positive squares in 4 ways, for example, as 17422276 + 655081415641 = 4174^2 + 809371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 655098837917 - 2⁸ = 655098837661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655098837997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34733 + ... + 1145165.

It is an arithmetic number, because the mean of its divisors is an integer number (83890512615).

Almost surely, 2^655098837917 is an apocalyptic number.

It is an amenable number.

655098837917 is a deficient number, since it is larger than the sum of its proper divisors (16025263003).

655098837917 is a wasteful number, since it uses less digits than its factorization.

655098837917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124863.

The product of its (nonzero) digits is 114307200, while the sum is 68.

The spelling of 655098837917 in words is "six hundred fifty-five billion, ninety-eight million, eight hundred thirty-seven thousand, nine hundred seventeen".