19141317909638 has 8 divisors (see below), whose sum is σ = 28762260538440. Its totient is φ = 9553897730160.

The previous prime is 19141317909617. The next prime is 19141317909641. The reversal of 19141317909638 is 83690971314191.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8380610903 + ... + 8380613186.

It is an arithmetic number, because the mean of its divisors is an integer number (3595282567305).

Almost surely, 2^{19141317909638} is an apocalyptic number.

19141317909638 is a deficient number, since it is larger than the sum of its proper divisors (9620942628802).

19141317909638 is a wasteful number, since it uses less digits than its factorization.

19141317909638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16761224662.

The product of its (nonzero) digits is 8817984, while the sum is 62.

The spelling of 19141317909638 in words is "nineteen trillion, one hundred forty-one billion, three hundred seventeen million, nine hundred nine thousand, six hundred thirty-eight".