6453220556432 has 20 divisors (see below), whose sum is σ = 13464892892220. Its totient is φ = 2978409487488.

The previous prime is 6453220556429. The next prime is 6453220556479. The reversal of 6453220556432 is 2346550223546.

It can be written as a sum of positive squares in 2 ways, for example, as 1314040371856 + 5139180184576 = 1146316^2 + 2266976^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15512549207 + ... + 15512549622.

It is an arithmetic number, because the mean of its divisors is an integer number (673244644611).

Almost surely, 2^{6453220556432} is an apocalyptic number.

It is an amenable number.

6453220556432 is an abundant number, since it is smaller than the sum of its proper divisors (7011672335788).

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

6453220556432 is a wasteful number, since it uses less digits than its factorization.

6453220556432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31025098850 (or 31025098844 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 47.

Adding to 6453220556432 its reverse (2346550223546), we get a palindrome (8799770779978).

The spelling of 6453220556432 in words is "six trillion, four hundred fifty-three billion, two hundred twenty million, five hundred fifty-six thousand, four hundred thirty-two".