67446140313 has 16 divisors (see below), whose sum is σ = 92099690496. Its totient is φ = 43880163600.

The previous prime is 67446140299. The next prime is 67446140327. The reversal of 67446140313 is 31304164476.

It is an interprime number because it is at equal distance from previous prime (67446140299) and next prime (67446140327).

It is not a de Polignac number, because 67446140313 - 2⁴ = 67446140297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67446140353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78645 + ... + 375602.

It is an arithmetic number, because the mean of its divisors is an integer number (5756230656).

Almost surely, 2^67446140313 is an apocalyptic number.

It is an amenable number.

67446140313 is a deficient number, since it is larger than the sum of its proper divisors (24653550183).

67446140313 is a wasteful number, since it uses less digits than its factorization.

67446140313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455444.

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 67446140313 in words is "sixty-seven billion, four hundred forty-six million, one hundred forty thousand, three hundred thirteen".