4917120706781 has 4 divisors (see below), whose sum is σ = 4917558223200. Its totient is φ = 4916683190364.

The previous prime is 4917120706759. The next prime is 4917120706831. The reversal of 4917120706781 is 1876070217194.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4917120706781 - 2¹⁴ = 4917120690397 is a prime.

It is a super-2 number, since 2×4917120706781² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4917120706081) 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, 218741351 + ... + 218763828.

It is an arithmetic number, because the mean of its divisors is an integer number (1229389555800).

Almost surely, 2^{4917120706781} is an apocalyptic number.

It is an amenable number.

4917120706781 is a deficient number, since it is larger than the sum of its proper divisors (437516419).

4917120706781 is a wasteful number, since it uses less digits than its factorization.

4917120706781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437516418.

The product of its (nonzero) digits is 1185408, while the sum is 53.

The spelling of 4917120706781 in words is "four trillion, nine hundred seventeen billion, one hundred twenty million, seven hundred six thousand, seven hundred eighty-one".