67250647441 has 2 divisors, whose sum is σ = 67250647442. Its totient is φ = 67250647440.

The previous prime is 67250647427. The next prime is 67250647507. The reversal of 67250647441 is 14474605276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64861393041 + 2389254400 = 254679^2 + 48880^2 .

It is a cyclic number.

It is not a de Polignac number, because 67250647441 - 2⁷ = 67250647313 is a prime.

It is a super-3 number, since 3×67250647441³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67250647391 and 67250647400.

It is not a weakly prime, because it can be changed into another prime (67250647411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33625323720 + 33625323721.

It is an arithmetic number, because the mean of its divisors is an integer number (33625323721).

Almost surely, 2^67250647441 is an apocalyptic number.

It is an amenable number.

67250647441 is a deficient number, since it is larger than the sum of its proper divisors (1).

67250647441 is an equidigital number, since it uses as much as digits as its factorization.

67250647441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 67250647441 in words is "sixty-seven billion, two hundred fifty million, six hundred forty-seven thousand, four hundred forty-one".