32463977281 has 2 divisors, whose sum is σ = 32463977282. Its totient is φ = 32463977280.

The previous prime is 32463977251. The next prime is 32463977303. The reversal of 32463977281 is 18277936423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32414401600 + 49575681 = 180040^2 + 7041^2 .

It is a cyclic number.

It is not a de Polignac number, because 32463977281 - 2¹¹ = 32463975233 is a prime.

It is a super-2 number, since 2×32463977281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32463977251) 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 as a sum of consecutive naturals, namely, 16231988640 + 16231988641.

It is an arithmetic number, because the mean of its divisors is an integer number (16231988641).

Almost surely, 2^32463977281 is an apocalyptic number.

It is an amenable number.

32463977281 is a deficient number, since it is larger than the sum of its proper divisors (1).

32463977281 is an equidigital number, since it uses as much as digits as its factorization.

32463977281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 52.

The spelling of 32463977281 in words is "thirty-two billion, four hundred sixty-three million, nine hundred seventy-seven thousand, two hundred eighty-one".