1454727289 has 2 divisors, whose sum is σ = 1454727290. Its totient is φ = 1454727288.

The previous prime is 1454727269. The next prime is 1454727293. The reversal of 1454727289 is 9827274541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 902101225 + 552626064 = 30035^2 + 23508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1454727289 is a prime.

It is a super-2 number, since 2×1454727289² = 4232462970722579042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1454727269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727363644 + 727363645.

It is an arithmetic number, because the mean of its divisors is an integer number (727363645).

Almost surely, 2^1454727289 is an apocalyptic number.

It is an amenable number.

1454727289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1454727289 is an equidigital number, since it uses as much as digits as its factorization.

1454727289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1128960, while the sum is 49.

The square root of 1454727289 is about 38140.8873651361. The cubic root of 1454727289 is about 1133.0798818380.

The spelling of 1454727289 in words is "one billion, four hundred fifty-four million, seven hundred twenty-seven thousand, two hundred eighty-nine".