13019427912650 has 12 divisors (see below), whose sum is σ = 24216135917622. Its totient is φ = 5207771165040.

The previous prime is 13019427912629. The next prime is 13019427912677. The reversal of 13019427912650 is 5621972491031.

It can be written as a sum of positive squares in 3 ways, for example, as 12089605494121 + 929822418529 = 3477011^2 + 964273^2 .

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 260388558253 = 13019427912650 / (1 + 3 + 0 + 1 + 9 + 4 + 2 + 7 + 9 + 1 + 2 + 6 + 5 + 0).

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 5 ways as a sum of consecutive naturals, for example, 130194279077 + ... + 130194279176.

Almost surely, 2^{13019427912650} is an apocalyptic number.

13019427912650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13019427912650 is a deficient number, since it is larger than the sum of its proper divisors (11196708004972).

13019427912650 is a wasteful number, since it uses less digits than its factorization.

13019427912650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260388558265 (or 260388558260 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 13019427912650 in words is "thirteen trillion, nineteen billion, four hundred twenty-seven million, nine hundred twelve thousand, six hundred fifty".