19400502724049 has 8 divisors (see below), whose sum is σ = 19510727738880. Its totient is φ = 19290485095776.

The previous prime is 19400502723871. The next prime is 19400502724073. The reversal of 19400502724049 is 94042720500491.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19400502724049 - 2⁸ = 19400502723793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19400502723994 and 19400502724012.

It is not an unprimeable number, because it can be changed into a prime (19400502724249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51659012 + ... + 52033205.

It is an arithmetic number, because the mean of its divisors is an integer number (2438840967360).

Almost surely, 2^{19400502724049} is an apocalyptic number.

It is an amenable number.

19400502724049 is a deficient number, since it is larger than the sum of its proper divisors (110225014831).

19400502724049 is a wasteful number, since it uses less digits than its factorization.

19400502724049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103693279.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 19400502724049 in words is "nineteen trillion, four hundred billion, five hundred two million, seven hundred twenty-four thousand, forty-nine".