426951607 has 2 divisors, whose sum is σ = 426951608. Its totient is φ = 426951606.

The previous prime is 426951589. The next prime is 426951631. The reversal of 426951607 is 706159624.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426951607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426951607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426951647) 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, 213475803 + 213475804.

It is an arithmetic number, because the mean of its divisors is an integer number (213475804).

Almost surely, 2^426951607 is an apocalyptic number.

426951607 is a deficient number, since it is larger than the sum of its proper divisors (1).

426951607 is an equidigital number, since it uses as much as digits as its factorization.

426951607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 426951607 is about 20662.8073358873. The cubic root of 426951607 is about 752.9963727620.

The spelling of 426951607 in words is "four hundred twenty-six million, nine hundred fifty-one thousand, six hundred seven".