67494962089 has 2 divisors, whose sum is σ = 67494962090. Its totient is φ = 67494962088.

The previous prime is 67494962057. The next prime is 67494962153. The reversal of 67494962089 is 98026949476.

It is a happy number.

It is an a-pointer prime, because the next prime (67494962153) can be obtained adding 67494962089 to its sum of digits (64).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66051570025 + 1443392064 = 257005^2 + 37992^2 .

It is a cyclic number.

It is not a de Polignac number, because 67494962089 - 2⁵ = 67494962057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67494962089.

It is not a weakly prime, because it can be changed into another prime (67494962789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33747481044 + 33747481045.

It is an arithmetic number, because the mean of its divisors is an integer number (33747481045).

Almost surely, 2^67494962089 is an apocalyptic number.

It is an amenable number.

67494962089 is a deficient number, since it is larger than the sum of its proper divisors (1).

67494962089 is an equidigital number, since it uses as much as digits as its factorization.

67494962089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47029248, while the sum is 64.

The spelling of 67494962089 in words is "sixty-seven billion, four hundred ninety-four million, nine hundred sixty-two thousand, eighty-nine".