5451043009 has 2 divisors, whose sum is σ = 5451043010. Its totient is φ = 5451043008.

The previous prime is 5451042991. The next prime is 5451043121. The reversal of 5451043009 is 9003401545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2731107600 + 2719935409 = 52260^2 + 52153^2 .

It is a cyclic number.

It is not a de Polignac number, because 5451043009 - 2⁵ = 5451042977 is a prime.

It is not a weakly prime, because it can be changed into another prime (5451043709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2725521504 + 2725521505.

It is an arithmetic number, because the mean of its divisors is an integer number (2725521505).

Almost surely, 2^5451043009 is an apocalyptic number.

It is an amenable number.

5451043009 is a deficient number, since it is larger than the sum of its proper divisors (1).

5451043009 is an equidigital number, since it uses as much as digits as its factorization.

5451043009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 5451043009 is about 73831.1791115380. The cubic root of 5451043009 is about 1759.9211191619.

The spelling of 5451043009 in words is "five billion, four hundred fifty-one million, forty-three thousand, nine".