6426604515061 has 2 divisors, whose sum is σ = 6426604515062. Its totient is φ = 6426604515060.

The previous prime is 6426604515049. The next prime is 6426604515073. The reversal of 6426604515061 is 1605154066246.

6426604515061 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (6426604515049) and next prime (6426604515073).

It can be written as a sum of positive squares in only one way, i.e., 6368279367025 + 58325148036 = 2523545^2 + 241506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6426604515061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6426604515041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3213302257530 + 3213302257531.

It is an arithmetic number, because the mean of its divisors is an integer number (3213302257531).

Almost surely, 2^{6426604515061} is an apocalyptic number.

It is an amenable number.

6426604515061 is a deficient number, since it is larger than the sum of its proper divisors (1).

6426604515061 is an equidigital number, since it uses as much as digits as its factorization.

6426604515061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 6426604515061 in words is "six trillion, four hundred twenty-six billion, six hundred four million, five hundred fifteen thousand, sixty-one".