65474247456 has 96 divisors (see below), whose sum is σ = 201017476800. Its totient is φ = 20676072960.

The previous prime is 65474247451. The next prime is 65474247511.

65474247456 is a `hidden beast` number, since 6 + 54 + 74 + 2 + 474 + 56 = 666.

65474247456 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (96).

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 (65474247451) 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 15 ways as a sum of consecutive naturals, for example, 1977805 + ... + 2010636.

It is an arithmetic number, because the mean of its divisors is an integer number (2093932050).

Almost surely, 2^65474247456 is an apocalyptic number.

It is an amenable number.

65474247456 is an abundant number, since it is smaller than the sum of its proper divisors (135543229344).

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

65474247456 is a wasteful number, since it uses less digits than its factorization.

65474247456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3988479 (or 3988465 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 54.

The spelling of 65474247456 in words is "sixty-five billion, four hundred seventy-four million, two hundred forty-seven thousand, four hundred fifty-six".