1450273729 has 2 divisors, whose sum is σ = 1450273730. Its totient is φ = 1450273728.

The previous prime is 1450273697. The next prime is 1450273739. The reversal of 1450273729 is 9273720541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1297800625 + 152473104 = 36025^2 + 12348^2 .

It is a cyclic number.

It is not a de Polignac number, because 1450273729 - 2⁵ = 1450273697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1450273691 and 1450273700.

It is not a weakly prime, because it can be changed into another prime (1450273739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725136864 + 725136865.

It is an arithmetic number, because the mean of its divisors is an integer number (725136865).

Almost surely, 2^1450273729 is an apocalyptic number.

It is an amenable number.

1450273729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1450273729 is an equidigital number, since it uses as much as digits as its factorization.

1450273729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 1450273729 is about 38082.4595975628. The cubic root of 1450273729 is about 1131.9224145842.

The spelling of 1450273729 in words is "one billion, four hundred fifty million, two hundred seventy-three thousand, seven hundred twenty-nine".