745705367129 has 2 divisors, whose sum is σ = 745705367130. Its totient is φ = 745705367128.

The previous prime is 745705367117. The next prime is 745705367167. The reversal of 745705367129 is 921763507547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 732782224729 + 12923142400 = 856027^2 + 113680^2 .

It is a cyclic number.

It is not a de Polignac number, because 745705367129 - 2⁸ = 745705366873 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (745705387129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372852683564 + 372852683565.

It is an arithmetic number, because the mean of its divisors is an integer number (372852683565).

Almost surely, 2^745705367129 is an apocalyptic number.

It is an amenable number.

745705367129 is a deficient number, since it is larger than the sum of its proper divisors (1).

745705367129 is an equidigital number, since it uses as much as digits as its factorization.

745705367129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11113200, while the sum is 56.

The spelling of 745705367129 in words is "seven hundred forty-five billion, seven hundred five million, three hundred sixty-seven thousand, one hundred twenty-nine".