62443354681 has 2 divisors, whose sum is σ = 62443354682. Its totient is φ = 62443354680.

The previous prime is 62443354651. The next prime is 62443354747. The reversal of 62443354681 is 18645334426.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59214842281 + 3228512400 = 243341^2 + 56820^2 .

It is a cyclic number.

It is not a de Polignac number, because 62443354681 - 2¹⁹ = 62442830393 is a prime.

It is a super-2 number, since 2×62443354681² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (62443354651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31221677340 + 31221677341.

It is an arithmetic number, because the mean of its divisors is an integer number (31221677341).

Almost surely, 2^62443354681 is an apocalyptic number.

It is an amenable number.

62443354681 is a deficient number, since it is larger than the sum of its proper divisors (1).

62443354681 is an equidigital number, since it uses as much as digits as its factorization.

62443354681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 46.

The spelling of 62443354681 in words is "sixty-two billion, four hundred forty-three million, three hundred fifty-four thousand, six hundred eighty-one".