617149338623999 has 8 divisors (see below), whose sum is σ = 617226960816960. Its totient is φ = 617071717696896.

The previous prime is 617149338623861. The next prime is 617149338624019. The reversal of 617149338623999 is 999326833941716.

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 617149338623999 - 2⁸ = 617149338623743 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 (617149338623599) 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, 1310441642 + ... + 1310912504.

It is an arithmetic number, because the mean of its divisors is an integer number (77153370102120).

Almost surely, 2^{617149338623999} is an apocalyptic number.

617149338623999 is a deficient number, since it is larger than the sum of its proper divisors (77622192961).

617149338623999 is a wasteful number, since it uses less digits than its factorization.

617149338623999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632929.

The product of its digits is 2857026816, while the sum is 80.

The spelling of 617149338623999 in words is "six hundred seventeen trillion, one hundred forty-nine billion, three hundred thirty-eight million, six hundred twenty-three thousand, nine hundred ninety-nine".