19709519396413 has 96 divisors (see below), whose sum is σ = 27500923699200. Its totient is φ = 13760754543360.

The previous prime is 19709519396389. The next prime is 19709519396431. The reversal of 19709519396413 is 31469391590791.

It is not a de Polignac number, because 19709519396413 - 2⁵ = 19709519396381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19709519396443) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 32643220 + ... + 33241522.

It is an arithmetic number, because the mean of its divisors is an integer number (286467955200).

Almost surely, 2^{19709519396413} is an apocalyptic number.

It is an amenable number.

19709519396413 is a deficient number, since it is larger than the sum of its proper divisors (7791404302787).

19709519396413 is a wasteful number, since it uses less digits than its factorization.

19709519396413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598463 (or 598452 counting only the distinct ones).

The product of its (nonzero) digits is 49601160, while the sum is 67.

The spelling of 19709519396413 in words is "nineteen trillion, seven hundred nine billion, five hundred nineteen million, three hundred ninety-six thousand, four hundred thirteen".