65474491428 has 24 divisors (see below), whose sum is σ = 169748681760. Its totient is φ = 21824830440.

The previous prime is 65474491421. The next prime is 65474491447. The reversal of 65474491428 is 82419447456.

65474491428 is a `hidden beast` number, since 6 + 54 + 7 + 449 + 142 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (65474491421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303122538 + ... + 303122753.

It is an arithmetic number, because the mean of its divisors is an integer number (7072861740).

Almost surely, 2^65474491428 is an apocalyptic number.

It is an amenable number.

65474491428 is an abundant number, since it is smaller than the sum of its proper divisors (104274190332).

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

65474491428 is a wasteful number, since it uses less digits than its factorization.

65474491428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606245304 (or 606245296 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The spelling of 65474491428 in words is "sixty-five billion, four hundred seventy-four million, four hundred ninety-one thousand, four hundred twenty-eight".