426311599 has 4 divisors (see below), whose sum is σ = 487213264. Its totient is φ = 365409936.

The previous prime is 426311593. The next prime is 426311603. The reversal of 426311599 is 995113624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 426311599 - 2¹⁹ = 425787311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426311593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30450822 + ... + 30450835.

It is an arithmetic number, because the mean of its divisors is an integer number (121803316).

Almost surely, 2^426311599 is an apocalyptic number.

426311599 is a deficient number, since it is larger than the sum of its proper divisors (60901665).

426311599 is an equidigital number, since it uses as much as digits as its factorization.

426311599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60901664.

The product of its digits is 58320, while the sum is 40.

The square root of 426311599 is about 20647.3145711494. The cubic root of 426311599 is about 752.6199329818.

The spelling of 426311599 in words is "four hundred twenty-six million, three hundred eleven thousand, five hundred ninety-nine".