428598995636 has 12 divisors (see below), whose sum is σ = 857197991328. Its totient is φ = 183685283832.

The previous prime is 428598995621. The next prime is 428598995639. The reversal of 428598995636 is 636599895824.

428598995636 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428598995639) 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, 7653553466 + ... + 7653553521.

It is an arithmetic number, because the mean of its divisors is an integer number (71433165944).

Almost surely, 2^428598995636 is an apocalyptic number.

It is an amenable number.

428598995636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428598995636 is a wasteful number, since it uses less digits than its factorization.

428598995636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15307106998 (or 15307106996 counting only the distinct ones).

The product of its digits is 1007769600, while the sum is 74.

The spelling of 428598995636 in words is "four hundred twenty-eight billion, five hundred ninety-eight million, nine hundred ninety-five thousand, six hundred thirty-six".