63137232643 has 2 divisors, whose sum is σ = 63137232644. Its totient is φ = 63137232642.

The previous prime is 63137232619. The next prime is 63137232647. The reversal of 63137232643 is 34623273136.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63137232643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63137232596 and 63137232605.

It is not a weakly prime, because it can be changed into another prime (63137232647) 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 as a sum of consecutive naturals, namely, 31568616321 + 31568616322.

It is an arithmetic number, because the mean of its divisors is an integer number (31568616322).

Almost surely, 2^63137232643 is an apocalyptic number.

63137232643 is a deficient number, since it is larger than the sum of its proper divisors (1).

63137232643 is an equidigital number, since it uses as much as digits as its factorization.

63137232643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 40.

The spelling of 63137232643 in words is "sixty-three billion, one hundred thirty-seven million, two hundred thirty-two thousand, six hundred forty-three".