1029634443913 has 6 divisors (see below), whose sum is σ = 1066363378574. Its totient is φ = 994129807104.

The previous prime is 1029634443911. The next prime is 1029634443961. The reversal of 1029634443913 is 3193444369201.

It can be written as a sum of positive squares in 3 ways, for example, as 26325711504 + 1003308732409 = 162252^2 + 1001653^2 .

It is not a de Polignac number, because 1029634443913 - 2¹ = 1029634443911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1029634443911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 612148056 + ... + 612149737.

Almost surely, 2^{1029634443913} is an apocalyptic number.

It is an amenable number.

1029634443913 is a deficient number, since it is larger than the sum of its proper divisors (36728934661).

1029634443913 is an equidigital number, since it uses as much as digits as its factorization.

1029634443913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224297851 (or 1224297822 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 49.

The spelling of 1029634443913 in words is "one trillion, twenty-nine billion, six hundred thirty-four million, four hundred forty-three thousand, nine hundred thirteen".