67107722993 has 2 divisors, whose sum is σ = 67107722994. Its totient is φ = 67107722992.

The previous prime is 67107722963. The next prime is 67107723013. The reversal of 67107722993 is 39922770176.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57086111329 + 10021611664 = 238927^2 + 100108^2 .

It is a cyclic number.

It is not a de Polignac number, because 67107722993 - 2¹⁴ = 67107706609 is a prime.

It is not a weakly prime, because it can be changed into another prime (67107722953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33553861496 + 33553861497.

It is an arithmetic number, because the mean of its divisors is an integer number (33553861497).

Almost surely, 2^67107722993 is an apocalyptic number.

It is an amenable number.

67107722993 is a deficient number, since it is larger than the sum of its proper divisors (1).

67107722993 is an equidigital number, since it uses as much as digits as its factorization.

67107722993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2000376, while the sum is 53.

The spelling of 67107722993 in words is "sixty-seven billion, one hundred seven million, seven hundred twenty-two thousand, nine hundred ninety-three".