5707452123661 has 2 divisors, whose sum is σ = 5707452123662. Its totient is φ = 5707452123660.

The previous prime is 5707452123631. The next prime is 5707452123697. The reversal of 5707452123661 is 1663212547075.

5707452123661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5467151181636 + 240300942025 = 2338194^2 + 490205^2 .

It is a cyclic number.

It is not a de Polignac number, because 5707452123661 - 2⁵ = 5707452123629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5707452123631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2853726061830 + 2853726061831.

It is an arithmetic number, because the mean of its divisors is an integer number (2853726061831).

Almost surely, 2^{5707452123661} is an apocalyptic number.

It is an amenable number.

5707452123661 is a deficient number, since it is larger than the sum of its proper divisors (1).

5707452123661 is an equidigital number, since it uses as much as digits as its factorization.

5707452123661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 5707452123661 in words is "five trillion, seven hundred seven billion, four hundred fifty-two million, one hundred twenty-three thousand, six hundred sixty-one".