428153581071 has 24 divisors (see below), whose sum is σ = 638623764480. Its totient is φ = 276128643600.

The previous prime is 428153581049. The next prime is 428153581087. The reversal of 428153581071 is 170185351824.

428153581071 is a `hidden beast` number, since 4 + 2 + 8 + 1 + 535 + 8 + 107 + 1 = 666.

It is not a de Polignac number, because 428153581071 - 2¹⁸ = 428153318927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428153581021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 503770 + ... + 1053608.

It is an arithmetic number, because the mean of its divisors is an integer number (26609323520).

Almost surely, 2^428153581071 is an apocalyptic number.

428153581071 is a deficient number, since it is larger than the sum of its proper divisors (210470183409).

428153581071 is a wasteful number, since it uses less digits than its factorization.

428153581071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552667 (or 552664 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 428153581071 in words is "four hundred twenty-eight billion, one hundred fifty-three million, five hundred eighty-one thousand, seventy-one".