1729103317513 has 12 divisors (see below), whose sum is σ = 2042555615568. Its totient is φ = 1450995789360.

The previous prime is 1729103317511. The next prime is 1729103317531. The reversal of 1729103317513 is 3157133019271.

It is a happy number.

It is not a de Polignac number, because 1729103317513 - 2¹ = 1729103317511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1729103317513.

It is not an unprimeable number, because it can be changed into a prime (1729103317511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 465060895 + ... + 465064612.

It is an arithmetic number, because the mean of its divisors is an integer number (170212967964).

Almost surely, 2^{1729103317513} is an apocalyptic number.

1729103317513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1729103317513 is a deficient number, since it is larger than the sum of its proper divisors (313452298055).

1729103317513 is a wasteful number, since it uses less digits than its factorization.

1729103317513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930125544 (or 930125531 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 43.

The spelling of 1729103317513 in words is "one trillion, seven hundred twenty-nine billion, one hundred three million, three hundred seventeen thousand, five hundred thirteen".