426619679 has 2 divisors, whose sum is σ = 426619680. Its totient is φ = 426619678.

The previous prime is 426619639. The next prime is 426619693. The reversal of 426619679 is 976916624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426619679 - 2¹⁶ = 426554143 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426619639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213309839 + 213309840.

It is an arithmetic number, because the mean of its divisors is an integer number (213309840).

Almost surely, 2^426619679 is an apocalyptic number.

426619679 is a deficient number, since it is larger than the sum of its proper divisors (1).

426619679 is an equidigital number, since it uses as much as digits as its factorization.

426619679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 50.

The square root of 426619679 is about 20654.7737581412. The cubic root of 426619679 is about 752.8011864108.

The spelling of 426619679 in words is "four hundred twenty-six million, six hundred nineteen thousand, six hundred seventy-nine".