426347216398 has 4 divisors (see below), whose sum is σ = 639520824600. Its totient is φ = 213173608198.

The previous prime is 426347216359. The next prime is 426347216411. The reversal of 426347216398 is 893612743624.

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

It is a super-3 number, since 3×426347216398³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 106586804098 + ... + 106586804101.

It is an arithmetic number, because the mean of its divisors is an integer number (159880206150).

Almost surely, 2^426347216398 is an apocalyptic number.

426347216398 is a deficient number, since it is larger than the sum of its proper divisors (213173608202).

426347216398 is a wasteful number, since it uses less digits than its factorization.

426347216398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213173608201.

The product of its digits is 10450944, while the sum is 55.

The spelling of 426347216398 in words is "four hundred twenty-six billion, three hundred forty-seven million, two hundred sixteen thousand, three hundred ninety-eight".