63234197641 has 2 divisors, whose sum is σ = 63234197642. Its totient is φ = 63234197640.

The previous prime is 63234197633. The next prime is 63234197659. The reversal of 63234197641 is 14679143236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54555412041 + 8678785600 = 233571^2 + 93160^2 .

It is a cyclic number.

It is not a de Polignac number, because 63234197641 - 2³ = 63234197633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63234197591 and 63234197600.

It is not a weakly prime, because it can be changed into another prime (63234197681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31617098820 + 31617098821.

It is an arithmetic number, because the mean of its divisors is an integer number (31617098821).

Almost surely, 2^63234197641 is an apocalyptic number.

It is an amenable number.

63234197641 is a deficient number, since it is larger than the sum of its proper divisors (1).

63234197641 is an equidigital number, since it uses as much as digits as its factorization.

63234197641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 46.

The spelling of 63234197641 in words is "sixty-three billion, two hundred thirty-four million, one hundred ninety-seven thousand, six hundred forty-one".