198441926437 has 8 divisors (see below), whose sum is σ = 198666504704. Its totient is φ = 198217475568.

The previous prime is 198441926411. The next prime is 198441926509. The reversal of 198441926437 is 734629144891.

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

It is a cyclic number.

It is not a de Polignac number, because 198441926437 - 2³¹ = 196294442789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198441026437) 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, 3276643 + ... + 3336655.

It is an arithmetic number, because the mean of its divisors is an integer number (24833313088).

Almost surely, 2^198441926437 is an apocalyptic number.

It is an amenable number.

198441926437 is a deficient number, since it is larger than the sum of its proper divisors (224578267).

198441926437 is a wasteful number, since it uses less digits than its factorization.

198441926437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63699.

The product of its digits is 10450944, while the sum is 58.

The spelling of 198441926437 in words is "one hundred ninety-eight billion, four hundred forty-one million, nine hundred twenty-six thousand, four hundred thirty-seven".