1013485451729 has 4 divisors (see below), whose sum is σ = 1013502787380. Its totient is φ = 1013468116080.

The previous prime is 1013485451677. The next prime is 1013485451761. The reversal of 1013485451729 is 9271545843101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 186071449600 + 827414002129 = 431360^2 + 909623^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013485451729 - 2²⁴ = 1013468674513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013485451779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8579834 + ... + 8697155.

It is an arithmetic number, because the mean of its divisors is an integer number (253375696845).

Almost surely, 2^{1013485451729} is an apocalyptic number.

It is an amenable number.

1013485451729 is a deficient number, since it is larger than the sum of its proper divisors (17335651).

1013485451729 is an equidigital number, since it uses as much as digits as its factorization.

1013485451729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17335650.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 1013485451729 in words is "one trillion, thirteen billion, four hundred eighty-five million, four hundred fifty-one thousand, seven hundred twenty-nine".