1073645429 has 2 divisors, whose sum is σ = 1073645430. Its totient is φ = 1073645428.

The previous prime is 1073645411. The next prime is 1073645459. The reversal of 1073645429 is 9245463701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 904385329 + 169260100 = 30073^2 + 13010^2 .

It is a cyclic number.

It is not a de Polignac number, because 1073645429 - 2¹⁶ = 1073579893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1073645459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536822714 + 536822715.

It is an arithmetic number, because the mean of its divisors is an integer number (536822715).

Almost surely, 2^1073645429 is an apocalyptic number.

It is an amenable number.

1073645429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1073645429 is an equidigital number, since it uses as much as digits as its factorization.

1073645429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 1073645429 is about 32766.5290960150. The cubic root of 1073645429 is about 1023.9693559377.

It can be divided in two parts, 10736 and 45429, that added together give a palindrome (56165).

The spelling of 1073645429 in words is "one billion, seventy-three million, six hundred forty-five thousand, four hundred twenty-nine".