4551251449 has 2 divisors, whose sum is σ = 4551251450. Its totient is φ = 4551251448.

The previous prime is 4551251437. The next prime is 4551251459. The reversal of 4551251449 is 9441521554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2762553600 + 1788697849 = 52560^2 + 42293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4551251449 is a prime.

It is not a weakly prime, because it can be changed into another prime (4551251459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2275625724 + 2275625725.

It is an arithmetic number, because the mean of its divisors is an integer number (2275625725).

Almost surely, 2^4551251449 is an apocalyptic number.

It is an amenable number.

4551251449 is a deficient number, since it is larger than the sum of its proper divisors (1).

4551251449 is an equidigital number, since it uses as much as digits as its factorization.

4551251449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144000, while the sum is 40.

The square root of 4551251449 is about 67462.9635355578. The cubic root of 4551251449 is about 1657.2077033564.

The spelling of 4551251449 in words is "four billion, five hundred fifty-one million, two hundred fifty-one thousand, four hundred forty-nine".