62614943981 has 2 divisors, whose sum is σ = 62614943982. Its totient is φ = 62614943980.

The previous prime is 62614943959. The next prime is 62614944023. The reversal of 62614943981 is 18934941626.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53300956900 + 9313987081 = 230870^2 + 96509^2 .

It is a cyclic number.

It is not a de Polignac number, because 62614943981 - 2⁶ = 62614943917 is a prime.

It is a super-2 number, since 2×62614943981² (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 (62614943921) 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, 31307471990 + 31307471991.

It is an arithmetic number, because the mean of its divisors is an integer number (31307471991).

Almost surely, 2^62614943981 is an apocalyptic number.

It is an amenable number.

62614943981 is a deficient number, since it is larger than the sum of its proper divisors (1).

62614943981 is an equidigital number, since it uses as much as digits as its factorization.

62614943981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 53.

The spelling of 62614943981 in words is "sixty-two billion, six hundred fourteen million, nine hundred forty-three thousand, nine hundred eighty-one".