428537422964948 has 24 divisors (see below), whose sum is σ = 821539981664640. Its totient is φ = 193974717883520.

The previous prime is 428537422964947. The next prime is 428537422964951. The reversal of 428537422964948 is 849469224735824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428537422964947) 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, 20375485061 + ... + 20375506092.

It is an arithmetic number, because the mean of its divisors is an integer number (34230832569360).

Almost surely, 2^{428537422964948} is an apocalyptic number.

It is an amenable number.

428537422964948 is a deficient number, since it is larger than the sum of its proper divisors (393002558699692).

428537422964948 is a wasteful number, since it uses less digits than its factorization.

428537422964948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40750991407 (or 40750991405 counting only the distinct ones).

The product of its digits is 6688604160, while the sum is 77.

The spelling of 428537422964948 in words is "four hundred twenty-eight trillion, five hundred thirty-seven billion, four hundred twenty-two million, nine hundred sixty-four thousand, nine hundred forty-eight".