19407418002993 has 8 divisors (see below), whose sum is σ = 25959230045728. Its totient is φ = 12896942314464.

The previous prime is 19407418002913. The next prime is 19407418003031. The reversal of 19407418002993 is 39920081470491.

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

It is not a de Polignac number, because 19407418002993 - 2²⁴ = 19407401225777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19407418002913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10334087455 + ... + 10334089332.

It is an arithmetic number, because the mean of its divisors is an integer number (3244903755716).

Almost surely, 2^{19407418002993} is an apocalyptic number.

It is an amenable number.

19407418002993 is a deficient number, since it is larger than the sum of its proper divisors (6551812042735).

19407418002993 is a wasteful number, since it uses less digits than its factorization.

19407418002993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20668177103.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The spelling of 19407418002993 in words is "nineteen trillion, four hundred seven billion, four hundred eighteen million, two thousand, nine hundred ninety-three".