6426600225977 has 2 divisors, whose sum is σ = 6426600225978. Its totient is φ = 6426600225976.

The previous prime is 6426600225949. The next prime is 6426600226051. The reversal of 6426600225977 is 7795220066246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3931261873081 + 2495338352896 = 1982741^2 + 1579664^2 .

It is a cyclic number.

It is not a de Polignac number, because 6426600225977 - 2²⁶ = 6426533117113 is a prime.

It is not a weakly prime, because it can be changed into another prime (6426600225937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3213300112988 + 3213300112989.

It is an arithmetic number, because the mean of its divisors is an integer number (3213300112989).

Almost surely, 2^{6426600225977} is an apocalyptic number.

It is an amenable number.

6426600225977 is a deficient number, since it is larger than the sum of its proper divisors (1).

6426600225977 is an equidigital number, since it uses as much as digits as its factorization.

6426600225977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15240960, while the sum is 56.

The spelling of 6426600225977 in words is "six trillion, four hundred twenty-six billion, six hundred million, two hundred twenty-five thousand, nine hundred seventy-seven".