426618037 has 2 divisors, whose sum is σ = 426618038. Its totient is φ = 426618036.

The previous prime is 426617987. The next prime is 426618067. The reversal of 426618037 is 730816624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 415588996 + 11029041 = 20386^2 + 3321^2 .

It is a cyclic number.

It is not a de Polignac number, because 426618037 - 2²³ = 418229429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 426617987 and 426618005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426618067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213309018 + 213309019.

It is an arithmetic number, because the mean of its divisors is an integer number (213309019).

Almost surely, 2^426618037 is an apocalyptic number.

It is an amenable number.

426618037 is a deficient number, since it is larger than the sum of its proper divisors (1).

426618037 is an equidigital number, since it uses as much as digits as its factorization.

426618037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 426618037 is about 20654.7340094226. The cubic root of 426618037 is about 752.8002206004.

The spelling of 426618037 in words is "four hundred twenty-six million, six hundred eighteen thousand, thirty-seven".