4631021692117 has 8 divisors (see below), whose sum is σ = 4635954984024. Its totient is φ = 4626089115648.

The previous prime is 4631021692109. The next prime is 4631021692123. The reversal of 4631021692117 is 7112961201364.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33196475601 + 4597825216516 = 182199^2 + 2144254^2 .

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 4631021692117 - 2³ = 4631021692109 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 (4631081692117) 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, 13314373 + ... + 13657765.

It is an arithmetic number, because the mean of its divisors is an integer number (579494373003).

Almost surely, 2^{4631021692117} is an apocalyptic number.

It is an amenable number.

4631021692117 is a deficient number, since it is larger than the sum of its proper divisors (4933291907).

4631021692117 is a wasteful number, since it uses less digits than its factorization.

4631021692117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357719.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 4631021692117 in words is "four trillion, six hundred thirty-one billion, twenty-one million, six hundred ninety-two thousand, one hundred seventeen".