9144289457 has 2 divisors, whose sum is σ = 9144289458. Its totient is φ = 9144289456.

The previous prime is 9144289381. The next prime is 9144289471. The reversal of 9144289457 is 7549824419.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6286745521 + 2857543936 = 79289^2 + 53456^2 .

It is a cyclic number.

It is not a de Polignac number, because 9144289457 - 2²⁰ = 9143240881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9144289399 and 9144289408.

It is not a weakly prime, because it can be changed into another prime (9144289057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4572144728 + 4572144729.

It is an arithmetic number, because the mean of its divisors is an integer number (4572144729).

Almost surely, 2^9144289457 is an apocalyptic number.

It is an amenable number.

9144289457 is a deficient number, since it is larger than the sum of its proper divisors (1).

9144289457 is an equidigital number, since it uses as much as digits as its factorization.

9144289457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 53.

The square root of 9144289457 is about 95625.7782033694. The cubic root of 9144289457 is about 2091.1410218332.

The spelling of 9144289457 in words is "nine billion, one hundred forty-four million, two hundred eighty-nine thousand, four hundred fifty-seven".