6426604510061 has 2 divisors, whose sum is σ = 6426604510062. Its totient is φ = 6426604510060.

The previous prime is 6426604510019. The next prime is 6426604510099. The reversal of 6426604510061 is 1600154066246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6149829613225 + 276774896836 = 2479885^2 + 526094^2 .

It is a cyclic number.

It is not a de Polignac number, because 6426604510061 - 2¹⁰ = 6426604509037 is a prime.

It is a super-3 number, since 3×6426604510061³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6426604515061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3213302255030 + 3213302255031.

It is an arithmetic number, because the mean of its divisors is an integer number (3213302255031).

Almost surely, 2^{6426604510061} is an apocalyptic number.

It is an amenable number.

6426604510061 is a deficient number, since it is larger than the sum of its proper divisors (1).

6426604510061 is an equidigital number, since it uses as much as digits as its factorization.

6426604510061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 6426604510061 in words is "six trillion, four hundred twenty-six billion, six hundred four million, five hundred ten thousand, sixty-one".