398117000019 has 4 divisors (see below), whose sum is σ = 530822666696. Its totient is φ = 265411333344.

The previous prime is 398116999999. The next prime is 398117000027. The reversal of 398117000019 is 910000711893.

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

It is not a de Polignac number, because 398117000019 - 2²⁵ = 398083445587 is a prime.

It is a super-2 number, since 2×398117000019² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398117000219) 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, 66352833334 + ... + 66352833339.

It is an arithmetic number, because the mean of its divisors is an integer number (132705666674).

Almost surely, 2^398117000019 is an apocalyptic number.

398117000019 is a deficient number, since it is larger than the sum of its proper divisors (132705666677).

398117000019 is a wasteful number, since it uses less digits than its factorization.

398117000019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132705666676.

The product of its (nonzero) digits is 13608, while the sum is 39.

The spelling of 398117000019 in words is "three hundred ninety-eight billion, one hundred seventeen million, nineteen", and thus it is an aban number.