745705369129 has 24 divisors (see below), whose sum is σ = 873563589000. Its totient is φ = 634676474880.

The previous prime is 745705369111. The next prime is 745705369193. The reversal of 745705369129 is 921963507547.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 117097418025 + 628607951104 = 342195^2 + 792848^2 .

It is not a de Polignac number, because 745705369129 - 2⁷ = 745705369001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745705367129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24523467 + ... + 24553855.

It is an arithmetic number, because the mean of its divisors is an integer number (36398482875).

Almost surely, 2^745705369129 is an apocalyptic number.

It is an amenable number.

745705369129 is a deficient number, since it is larger than the sum of its proper divisors (127858219871).

745705369129 is a wasteful number, since it uses less digits than its factorization.

745705369129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33913 (or 33906 counting only the distinct ones).

The product of its (nonzero) digits is 14288400, while the sum is 58.

The spelling of 745705369129 in words is "seven hundred forty-five billion, seven hundred five million, three hundred sixty-nine thousand, one hundred twenty-nine".