67349825450 has 12 divisors (see below), whose sum is σ = 125270675430. Its totient is φ = 26939930160.

The previous prime is 67349825383. The next prime is 67349825453. The reversal of 67349825450 is 5452894376.

It can be written as a sum of positive squares in 3 ways, for example, as 47901012769 + 19448812681 = 218863^2 + 139459^2 .

It is a junction number, because it is equal to n+sod(n) for n = 67349825392 and 67349825401.

It is not an unprimeable number, because it can be changed into a prime (67349825453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 673498205 + ... + 673498304.

Almost surely, 2^67349825450 is an apocalyptic number.

67349825450 is a deficient number, since it is larger than the sum of its proper divisors (57920849980).

67349825450 is a wasteful number, since it uses less digits than its factorization.

67349825450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346996521 (or 1346996516 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 67349825450 in words is "sixty-seven billion, three hundred forty-nine million, eight hundred twenty-five thousand, four hundred fifty".