9144946453 has 2 divisors, whose sum is σ = 9144946454. Its totient is φ = 9144946452.

The previous prime is 9144946429. The next prime is 9144946469. The reversal of 9144946453 is 3546494419.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5848119729 + 3296826724 = 76473^2 + 57418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9144946453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9144946397 and 9144946406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9144946483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4572473226 + 4572473227.

It is an arithmetic number, because the mean of its divisors is an integer number (4572473227).

Almost surely, 2^9144946453 is an apocalyptic number.

It is an amenable number.

9144946453 is a deficient number, since it is larger than the sum of its proper divisors (1).

9144946453 is an equidigital number, since it uses as much as digits as its factorization.

9144946453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 49.

The square root of 9144946453 is about 95629.2133869144. The cubic root of 9144946453 is about 2091.1911018454.

The spelling of 9144946453 in words is "nine billion, one hundred forty-four million, nine hundred forty-six thousand, four hundred fifty-three".