27464607946709 has 2 divisors, whose sum is σ = 27464607946710. Its totient is φ = 27464607946708.

The previous prime is 27464607946703. The next prime is 27464607946723. The reversal of 27464607946709 is 90764970646472.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26670097776100 + 794510170609 = 5164310^2 + 891353^2 .

It is a cyclic number.

It is not a de Polignac number, because 27464607946709 - 2⁸ = 27464607946453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27464607946703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13732303973354 + 13732303973355.

It is an arithmetic number, because the mean of its divisors is an integer number (13732303973355).

Almost surely, 2^{27464607946709} is an apocalyptic number.

It is an amenable number.

27464607946709 is a deficient number, since it is larger than the sum of its proper divisors (1).

27464607946709 is an equidigital number, since it uses as much as digits as its factorization.

27464607946709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768144384, while the sum is 71.

The spelling of 27464607946709 in words is "twenty-seven trillion, four hundred sixty-four billion, six hundred seven million, nine hundred forty-six thousand, seven hundred nine".