63334495397 has 2 divisors, whose sum is σ = 63334495398. Its totient is φ = 63334495396.

The previous prime is 63334495381. The next prime is 63334495423. The reversal of 63334495397 is 79359443336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58719467041 + 4615028356 = 242321^2 + 67934^2 .

It is a cyclic number.

It is not a de Polignac number, because 63334495397 - 2⁴ = 63334495381 is a prime.

It is a super-2 number, since 2×63334495397² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63334495097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31667247698 + 31667247699.

It is an arithmetic number, because the mean of its divisors is an integer number (31667247699).

Almost surely, 2^63334495397 is an apocalyptic number.

It is an amenable number.

63334495397 is a deficient number, since it is larger than the sum of its proper divisors (1).

63334495397 is an equidigital number, since it uses as much as digits as its factorization.

63334495397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22044960, while the sum is 56.

The spelling of 63334495397 in words is "sixty-three billion, three hundred thirty-four million, four hundred ninety-five thousand, three hundred ninety-seven".