19741374413699 has 4 divisors (see below), whose sum is σ = 19840577300400. Its totient is φ = 19642171527000.

The previous prime is 19741374413669. The next prime is 19741374413707. The reversal of 19741374413699 is 99631447314791.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 19741374413699 - 2⁸ = 19741374413443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19741374413669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49601443052 + ... + 49601443449.

It is an arithmetic number, because the mean of its divisors is an integer number (4960144325100).

Almost surely, 2^{19741374413699} is an apocalyptic number.

19741374413699 is a deficient number, since it is larger than the sum of its proper divisors (99202886701).

19741374413699 is an equidigital number, since it uses as much as digits as its factorization.

19741374413699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99202886700.

The product of its digits is 123451776, while the sum is 68.

It can be divided in two parts, 1974137 and 4413699, that added together give a palindrome (6387836).

The spelling of 19741374413699 in words is "nineteen trillion, seven hundred forty-one billion, three hundred seventy-four million, four hundred thirteen thousand, six hundred ninety-nine".