144211429969 has 2 divisors, whose sum is σ = 144211429970. Its totient is φ = 144211429968.

The previous prime is 144211429963. The next prime is 144211430141. The reversal of 144211429969 is 969924112441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143234242369 + 977187600 = 378463^2 + 31260^2 .

It is a cyclic number.

It is not a de Polignac number, because 144211429969 - 2⁹ = 144211429457 is a prime.

It is a super-2 number, since 2×144211429969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144211429963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72105714984 + 72105714985.

It is an arithmetic number, because the mean of its divisors is an integer number (72105714985).

Almost surely, 2^144211429969 is an apocalyptic number.

It is an amenable number.

144211429969 is a deficient number, since it is larger than the sum of its proper divisors (1).

144211429969 is an equidigital number, since it uses as much as digits as its factorization.

144211429969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 52.

The spelling of 144211429969 in words is "one hundred forty-four billion, two hundred eleven million, four hundred twenty-nine thousand, nine hundred sixty-nine".