2485221621696 has 672 divisors, whose sum is σ = 8546440331520. Its totient is φ = 708126105600.

The previous prime is 2485221621689. The next prime is 2485221621697. The reversal of 2485221621696 is 6961261225842.

2485221621696 is a `hidden beast` number, since 2 + 4 + 8 + 5 + 2 + 2 + 1 + 621 + 6 + 9 + 6 = 666.

It is a super-2 number, since 2×2485221621696² (a number of 26 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2485221621697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 445297626 + ... + 445303206.

It is an arithmetic number, because the mean of its divisors is an integer number (12717917160).

Almost surely, 2^{2485221621696} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2485221621696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4273220165760).

2485221621696 is an abundant number, since it is smaller than the sum of its proper divisors (6061218709824).

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

2485221621696 is a wasteful number, since it uses less digits than its factorization.

2485221621696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5775 (or 5753 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The spelling of 2485221621696 in words is "two trillion, four hundred eighty-five billion, two hundred twenty-one million, six hundred twenty-one thousand, six hundred ninety-six".