1313172049798 has 32 divisors (see below), whose sum is σ = 2383642598400. Its totient is φ = 529667332224.

The previous prime is 1313172049789. The next prime is 1313172049799. The reversal of 1313172049798 is 8979402713131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313172049799) 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 15 ways as a sum of consecutive naturals, for example, 11610243 + ... + 11722801.

It is an arithmetic number, because the mean of its divisors is an integer number (74488831200).

Almost surely, 2^{1313172049798} is an apocalyptic number.

1313172049798 is a deficient number, since it is larger than the sum of its proper divisors (1070470548602).

1313172049798 is a wasteful number, since it uses less digits than its factorization.

1313172049798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161604.

The product of its (nonzero) digits is 2286144, while the sum is 55.

The spelling of 1313172049798 in words is "one trillion, three hundred thirteen billion, one hundred seventy-two million, forty-nine thousand, seven hundred ninety-eight".