67040744101 has 2 divisors, whose sum is σ = 67040744102. Its totient is φ = 67040744100.

The previous prime is 67040744041. The next prime is 67040744129. The reversal of 67040744101 is 10144704076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66860513476 + 180230625 = 258574^2 + 13425^2 .

It is a cyclic number.

It is not a de Polignac number, because 67040744101 - 2¹¹ = 67040742053 is a prime.

It is a super-2 number, since 2×67040744101² (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 (67040744131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33520372050 + 33520372051.

It is an arithmetic number, because the mean of its divisors is an integer number (33520372051).

Almost surely, 2^67040744101 is an apocalyptic number.

It is an amenable number.

67040744101 is a deficient number, since it is larger than the sum of its proper divisors (1).

67040744101 is an equidigital number, since it uses as much as digits as its factorization.

67040744101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 34.

The spelling of 67040744101 in words is "sixty-seven billion, forty million, seven hundred forty-four thousand, one hundred one".