67350642662225 has 12 divisors (see below), whose sum is σ = 89939012047836. Its totient is φ = 49735859196480.

The previous prime is 67350642662221. The next prime is 67350642662249. The reversal of 67350642662225 is 52226624605376.

It can be written as a sum of positive squares in 6 ways, for example, as 21954256978369 + 45396385683856 = 4685537^2 + 6737684^2 .

It is not a de Polignac number, because 67350642662225 - 2² = 67350642662221 is a prime.

It is a super-2 number, since 2×67350642662225² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67350642662221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103616373002 + ... + 103616373651.

It is an arithmetic number, because the mean of its divisors is an integer number (7494917670653).

Almost surely, 2^{67350642662225} is an apocalyptic number.

67350642662225 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

67350642662225 is a deficient number, since it is larger than the sum of its proper divisors (22588369385611).

67350642662225 is a wasteful number, since it uses less digits than its factorization.

67350642662225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207232746676 (or 207232746671 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 56.

The spelling of 67350642662225 in words is "sixty-seven trillion, three hundred fifty billion, six hundred forty-two million, six hundred sixty-two thousand, two hundred twenty-five".