5398751791667 has 4 divisors (see below), whose sum is σ = 5814040391040. Its totient is φ = 4983463192296.

The previous prime is 5398751791663. The next prime is 5398751791711. The reversal of 5398751791667 is 7661971578935.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5398751791667 - 2² = 5398751791663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5398751791594 and 5398751791603.

It is not an unprimeable number, because it can be changed into a prime (5398751791661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207644299667 + ... + 207644299692.

It is an arithmetic number, because the mean of its divisors is an integer number (1453510097760).

Almost surely, 2^{5398751791667} is an apocalyptic number.

5398751791667 is a deficient number, since it is larger than the sum of its proper divisors (415288599373).

5398751791667 is a wasteful number, since it uses less digits than its factorization.

5398751791667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415288599372.

The product of its digits is 600112800, while the sum is 74.

The spelling of 5398751791667 in words is "five trillion, three hundred ninety-eight billion, seven hundred fifty-one million, seven hundred ninety-one thousand, six hundred sixty-seven".