4672423421989 has 2 divisors, whose sum is σ = 4672423421990. Its totient is φ = 4672423421988.

The previous prime is 4672423421881. The next prime is 4672423422001. The reversal of 4672423421989 is 9891243242764.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2472259364964 + 2200164057025 = 1572342^2 + 1483295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4672423421989 is a prime.

It is a super-2 number, since 2×4672423421989² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4672423421189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2336211710994 + 2336211710995.

It is an arithmetic number, because the mean of its divisors is an integer number (2336211710995).

Almost surely, 2^{4672423421989} is an apocalyptic number.

It is an amenable number.

4672423421989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4672423421989 is an equidigital number, since it uses as much as digits as its factorization.

4672423421989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41803776, while the sum is 61.

The spelling of 4672423421989 in words is "four trillion, six hundred seventy-two billion, four hundred twenty-three million, four hundred twenty-one thousand, nine hundred eighty-nine".