14217572018977 has 4 divisors (see below), whose sum is σ = 14397541285120. Its totient is φ = 14037602752836.

The previous prime is 14217572018971. The next prime is 14217572018989. The reversal of 14217572018977 is 77981027571241.

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 a de Polignac number, because none of the positive numbers 2^k-14217572018977 is a prime.

It is a super-2 number, since 2×14217572018977² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14217572018971) 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, 89984632953 + ... + 89984633110.

It is an arithmetic number, because the mean of its divisors is an integer number (3599385321280).

Almost surely, 2^{14217572018977} is an apocalyptic number.

It is an amenable number.

14217572018977 is a deficient number, since it is larger than the sum of its proper divisors (179969266143).

14217572018977 is an equidigital number, since it uses as much as digits as its factorization.

14217572018977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179969266142.

The product of its (nonzero) digits is 13829760, while the sum is 61.

The spelling of 14217572018977 in words is "fourteen trillion, two hundred seventeen billion, five hundred seventy-two million, eighteen thousand, nine hundred seventy-seven".