67059431797 has 2 divisors, whose sum is σ = 67059431798. Its totient is φ = 67059431796.

The previous prime is 67059431783. The next prime is 67059431807. The reversal of 67059431797 is 79713495076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56739716401 + 10319715396 = 238201^2 + 101586^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67059431797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67059435797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33529715898 + 33529715899.

It is an arithmetic number, because the mean of its divisors is an integer number (33529715899).

Almost surely, 2^67059431797 is an apocalyptic number.

It is an amenable number.

67059431797 is a deficient number, since it is larger than the sum of its proper divisors (1).

67059431797 is an equidigital number, since it uses as much as digits as its factorization.

67059431797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10001880, while the sum is 58.

The spelling of 67059431797 in words is "sixty-seven billion, fifty-nine million, four hundred thirty-one thousand, seven hundred ninety-seven".