4172267519989 has 2 divisors, whose sum is σ = 4172267519990. Its totient is φ = 4172267519988.

The previous prime is 4172267519977. The next prime is 4172267520007. The reversal of 4172267519989 is 9899157622714.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3812873264964 + 359394255025 = 1952658^2 + 599495^2 .

It is a cyclic number.

It is not a de Polignac number, because 4172267519989 - 2²⁷ = 4172133302261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4172267519089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2086133759994 + 2086133759995.

It is an arithmetic number, because the mean of its divisors is an integer number (2086133759995).

Almost surely, 2^{4172267519989} is an apocalyptic number.

It is an amenable number.

4172267519989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4172267519989 is an equidigital number, since it uses as much as digits as its factorization.

4172267519989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 137168640, while the sum is 70.

The spelling of 4172267519989 in words is "four trillion, one hundred seventy-two billion, two hundred sixty-seven million, five hundred nineteen thousand, nine hundred eighty-nine".