67274009497 has 2 divisors, whose sum is σ = 67274009498. Its totient is φ = 67274009496.

The previous prime is 67274009489. The next prime is 67274009513. The reversal of 67274009497 is 79490047276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49520045961 + 17753963536 = 222531^2 + 133244^2 .

It is a cyclic number.

It is not a de Polignac number, because 67274009497 - 2³ = 67274009489 is a prime.

It is not a weakly prime, because it can be changed into another prime (67274003497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33637004748 + 33637004749.

It is an arithmetic number, because the mean of its divisors is an integer number (33637004749).

Almost surely, 2^67274009497 is an apocalyptic number.

It is an amenable number.

67274009497 is a deficient number, since it is larger than the sum of its proper divisors (1).

67274009497 is an equidigital number, since it uses as much as digits as its factorization.

67274009497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5334336, while the sum is 55.

The spelling of 67274009497 in words is "sixty-seven billion, two hundred seventy-four million, nine thousand, four hundred ninety-seven".