398095064641 has 8 divisors (see below), whose sum is σ = 399309955200. Its totient is φ = 396880373568.

The previous prime is 398095064639. The next prime is 398095064651. The reversal of 398095064641 is 146460590893.

It is a happy number.

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 398095064641 - 2¹ = 398095064639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398095064621) 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, 4607460 + ... + 4693066.

It is an arithmetic number, because the mean of its divisors is an integer number (49913744400).

Almost surely, 2^398095064641 is an apocalyptic number.

It is an amenable number.

398095064641 is a deficient number, since it is larger than the sum of its proper divisors (1214890559).

398095064641 is a wasteful number, since it uses less digits than its factorization.

398095064641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99743.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 398095064641 in words is "three hundred ninety-eight billion, ninety-five million, sixty-four thousand, six hundred forty-one".