67014814121 has 2 divisors, whose sum is σ = 67014814122. Its totient is φ = 67014814120.

The previous prime is 67014814093. The next prime is 67014814151. The reversal of 67014814121 is 12141841076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63826969600 + 3187844521 = 252640^2 + 56461^2 .

It is a cyclic number.

It is not a de Polignac number, because 67014814121 - 2²⁶ = 66947705257 is a prime.

It is not a weakly prime, because it can be changed into another prime (67014814151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33507407060 + 33507407061.

It is an arithmetic number, because the mean of its divisors is an integer number (33507407061).

Almost surely, 2^67014814121 is an apocalyptic number.

It is an amenable number.

67014814121 is a deficient number, since it is larger than the sum of its proper divisors (1).

67014814121 is an equidigital number, since it uses as much as digits as its factorization.

67014814121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 35.

The spelling of 67014814121 in words is "sixty-seven billion, fourteen million, eight hundred fourteen thousand, one hundred twenty-one".