63204172037641 has 2 divisors, whose sum is σ = 63204172037642. Its totient is φ = 63204172037640.

The previous prime is 63204172037623. The next prime is 63204172037663. The reversal of 63204172037641 is 14673027140236.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61530846105600 + 1673325932041 = 7844160^2 + 1293571^2 .

It is a cyclic number.

It is not a de Polignac number, because 63204172037641 - 2¹¹ = 63204172035593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63204172037591 and 63204172037600.

It is not a weakly prime, because it can be changed into another prime (63204172037341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31602086018820 + 31602086018821.

It is an arithmetic number, because the mean of its divisors is an integer number (31602086018821).

Almost surely, 2^{63204172037641} is an apocalyptic number.

It is an amenable number.

63204172037641 is a deficient number, since it is larger than the sum of its proper divisors (1).

63204172037641 is an equidigital number, since it uses as much as digits as its factorization.

63204172037641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 46.

Adding to 63204172037641 its reverse (14673027140236), we get a palindrome (77877199177877).

The spelling of 63204172037641 in words is "sixty-three trillion, two hundred four billion, one hundred seventy-two million, thirty-seven thousand, six hundred forty-one".