67497000061 has 2 divisors, whose sum is σ = 67497000062. Its totient is φ = 67497000060.

The previous prime is 67497000031. The next prime is 67497000113. The reversal of 67497000061 is 16000079476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67343364036 + 153636025 = 259506^2 + 12395^2 .

It is a cyclic number.

It is not a de Polignac number, because 67497000061 - 2²³ = 67488611453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67496999978 and 67497000023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67497000031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33748500030 + 33748500031.

It is an arithmetic number, because the mean of its divisors is an integer number (33748500031).

Almost surely, 2^67497000061 is an apocalyptic number.

It is an amenable number.

67497000061 is a deficient number, since it is larger than the sum of its proper divisors (1).

67497000061 is an equidigital number, since it uses as much as digits as its factorization.

67497000061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 67497000061 in words is "sixty-seven billion, four hundred ninety-seven million, sixty-one", and thus it is an aban number.