1451137729 has 2 divisors, whose sum is σ = 1451137730. Its totient is φ = 1451137728.

The previous prime is 1451137717. The next prime is 1451137733. The reversal of 1451137729 is 9277311541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 995528704 + 455609025 = 31552^2 + 21345^2 .

It is a cyclic number.

It is not a de Polignac number, because 1451137729 - 2¹⁷ = 1451006657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1451137691 and 1451137700.

It is not a weakly prime, because it can be changed into another prime (1451137759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725568864 + 725568865.

It is an arithmetic number, because the mean of its divisors is an integer number (725568865).

Almost surely, 2^1451137729 is an apocalyptic number.

It is an amenable number.

1451137729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451137729 is an equidigital number, since it uses as much as digits as its factorization.

1451137729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 40.

The square root of 1451137729 is about 38093.8017136647. The cubic root of 1451137729 is about 1132.1471507381.

The spelling of 1451137729 in words is "one billion, four hundred fifty-one million, one hundred thirty-seven thousand, seven hundred twenty-nine".