14151989 has 2 divisors, whose sum is σ = 14151990. Its totient is φ = 14151988.

The previous prime is 14151967. The next prime is 14151997. The reversal of 14151989 is 98915141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7562500 + 6589489 = 2750^2 + 2567^2 .

It is a cyclic number.

It is not a de Polignac number, because 14151989 - 2¹⁶ = 14086453 is a prime.

It is a super-2 number, since 2×14151989² = 400557585312242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14151959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7075994 + 7075995.

It is an arithmetic number, because the mean of its divisors is an integer number (7075995).

Almost surely, 2^14151989 is an apocalyptic number.

It is an amenable number.

14151989 is a deficient number, since it is larger than the sum of its proper divisors (1).

14151989 is an equidigital number, since it uses as much as digits as its factorization.

14151989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 38.

The square root of 14151989 is about 3761.9129442346. The cubic root of 14151989 is about 241.8832679282.

The spelling of 14151989 in words is "fourteen million, one hundred fifty-one thousand, nine hundred eighty-nine".