428718149941 has 8 divisors (see below), whose sum is σ = 436842975960. Its totient is φ = 420594650112.

The previous prime is 428718149879. The next prime is 428718149953. The reversal of 428718149941 is 149941817824.

It can be written as a sum of positive squares in 4 ways, for example, as 122517500625 + 306200649316 = 350025^2 + 553354^2 .

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 428718149941 - 2³¹ = 426570666293 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 (428718149341) 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, 333645 + ... + 984253.

It is an arithmetic number, because the mean of its divisors is an integer number (54605371995).

Almost surely, 2^428718149941 is an apocalyptic number.

It is an amenable number.

428718149941 is a deficient number, since it is larger than the sum of its proper divisors (8124826019).

428718149941 is a wasteful number, since it uses less digits than its factorization.

428718149941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663095.

The product of its digits is 4644864, while the sum is 58.

The spelling of 428718149941 in words is "four hundred twenty-eight billion, seven hundred eighteen million, one hundred forty-nine thousand, nine hundred forty-one".