13065519948574 has 4 divisors (see below), whose sum is σ = 19598279922864. Its totient is φ = 6532759974286.

The previous prime is 13065519948571. The next prime is 13065519948623. The reversal of 13065519948574 is 47584991556031.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13065519948571) 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 as a sum of consecutive naturals, namely, 3266379987142 + ... + 3266379987145.

It is an arithmetic number, because the mean of its divisors is an integer number (4899569980716).

Almost surely, 2^{13065519948574} is an apocalyptic number.

13065519948574 is a deficient number, since it is larger than the sum of its proper divisors (6532759974290).

13065519948574 is an equidigital number, since it uses as much as digits as its factorization.

13065519948574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6532759974289.

The product of its (nonzero) digits is 163296000, while the sum is 67.

The spelling of 13065519948574 in words is "thirteen trillion, sixty-five billion, five hundred nineteen million, nine hundred forty-eight thousand, five hundred seventy-four".