69236640274049 has 2 divisors, whose sum is σ = 69236640274050. Its totient is φ = 69236640274048.

The previous prime is 69236640273979. The next prime is 69236640274147. The reversal of 69236640274049 is 94047204663296.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47697573633649 + 21539066640400 = 6906343^2 + 4641020^2 .

It is a cyclic number.

It is not a de Polignac number, because 69236640274049 - 2⁴⁴ = 51644454229633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69236640273982 and 69236640274000.

It is not a weakly prime, because it can be changed into another prime (69236640274349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34618320137024 + 34618320137025.

It is an arithmetic number, because the mean of its divisors is an integer number (34618320137025).

Almost surely, 2^{69236640274049} is an apocalyptic number.

It is an amenable number.

69236640274049 is a deficient number, since it is larger than the sum of its proper divisors (1).

69236640274049 is an equidigital number, since it uses as much as digits as its factorization.

69236640274049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94058496, while the sum is 62.

The spelling of 69236640274049 in words is "sixty-nine trillion, two hundred thirty-six billion, six hundred forty million, two hundred seventy-four thousand, forty-nine".