47626855709 has 2 divisors, whose sum is σ = 47626855710. Its totient is φ = 47626855708.

The previous prime is 47626855691. The next prime is 47626855721. The reversal of 47626855709 is 90755862674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47547110809 + 79744900 = 218053^2 + 8930^2 .

It is a cyclic number.

It is not a de Polignac number, because 47626855709 - 2⁸ = 47626855453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47626855909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23813427854 + 23813427855.

It is an arithmetic number, because the mean of its divisors is an integer number (23813427855).

Almost surely, 2^47626855709 is an apocalyptic number.

It is an amenable number.

47626855709 is a deficient number, since it is larger than the sum of its proper divisors (1).

47626855709 is an equidigital number, since it uses as much as digits as its factorization.

47626855709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25401600, while the sum is 59.

The spelling of 47626855709 in words is "forty-seven billion, six hundred twenty-six million, eight hundred fifty-five thousand, seven hundred nine".