426771937 has 2 divisors, whose sum is σ = 426771938. Its totient is φ = 426771936.

The previous prime is 426771913. The next prime is 426771991. The reversal of 426771937 is 739177624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 401761936 + 25010001 = 20044^2 + 5001^2 .

It is a cyclic number.

It is not a de Polignac number, because 426771937 - 2¹⁹ = 426247649 is a prime.

It is not a weakly prime, because it can be changed into another prime (426771907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213385968 + 213385969.

It is an arithmetic number, because the mean of its divisors is an integer number (213385969).

Almost surely, 2^426771937 is an apocalyptic number.

It is an amenable number.

426771937 is a deficient number, since it is larger than the sum of its proper divisors (1).

426771937 is an equidigital number, since it uses as much as digits as its factorization.

426771937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 444528, while the sum is 46.

The square root of 426771937 is about 20658.4592116644. The cubic root of 426771937 is about 752.8907324988.

The spelling of 426771937 in words is "four hundred twenty-six million, seven hundred seventy-one thousand, nine hundred thirty-seven".