1454543969 has 2 divisors, whose sum is σ = 1454543970. Its totient is φ = 1454543968.

The previous prime is 1454543947. The next prime is 1454544001. The reversal of 1454543969 is 9693454541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1051056400 + 403487569 = 32420^2 + 20087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1454543969 is a prime.

It is a super-2 number, since 2×1454543969² = 4231396315508545922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1454543939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727271984 + 727271985.

It is an arithmetic number, because the mean of its divisors is an integer number (727271985).

Almost surely, 2^1454543969 is an apocalyptic number.

It is an amenable number.

1454543969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1454543969 is an equidigital number, since it uses as much as digits as its factorization.

1454543969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2332800, while the sum is 50.

The square root of 1454543969 is about 38138.4840941535. The cubic root of 1454543969 is about 1133.0322841585.

The spelling of 1454543969 in words is "one billion, four hundred fifty-four million, five hundred forty-three thousand, nine hundred sixty-nine".