17129138746 has 16 divisors (see below), whose sum is σ = 25960324320. Its totient is φ = 8476086960.

The previous prime is 17129138699. The next prime is 17129138777. The reversal of 17129138746 is 64783192171.

It is a self number, because there is not a number n which added to its sum of digits gives 17129138746.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9060 + ... + 185311.

It is an arithmetic number, because the mean of its divisors is an integer number (1622520270).

Almost surely, 2^17129138746 is an apocalyptic number.

17129138746 is a deficient number, since it is larger than the sum of its proper divisors (8831185574).

17129138746 is a wasteful number, since it uses less digits than its factorization.

17129138746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194829.

The product of its digits is 508032, while the sum is 49.

The spelling of 17129138746 in words is "seventeen billion, one hundred twenty-nine million, one hundred thirty-eight thousand, seven hundred forty-six".