67283339957 has 2 divisors, whose sum is σ = 67283339958. Its totient is φ = 67283339956.

The previous prime is 67283339909. The next prime is 67283340023. The reversal of 67283339957 is 75993338276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61024314961 + 6259024996 = 247031^2 + 79114^2 .

It is a cyclic number.

It is not a de Polignac number, because 67283339957 - 2³⁴ = 50103470773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67283339957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67283338957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33641669978 + 33641669979.

It is an arithmetic number, because the mean of its divisors is an integer number (33641669979).

Almost surely, 2^67283339957 is an apocalyptic number.

It is an amenable number.

67283339957 is a deficient number, since it is larger than the sum of its proper divisors (1).

67283339957 is an equidigital number, since it uses as much as digits as its factorization.

67283339957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51438240, while the sum is 62.

The spelling of 67283339957 in words is "sixty-seven billion, two hundred eighty-three million, three hundred thirty-nine thousand, nine hundred fifty-seven".