426464345365 has 4 divisors (see below), whose sum is σ = 511757214444. Its totient is φ = 341171476288.

The previous prime is 426464345353. The next prime is 426464345381. The reversal of 426464345365 is 563543464624.

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

It can be written as a sum of positive squares in 2 ways, for example, as 63878518564 + 362585826801 = 252742^2 + 602151^2 .

It is a cyclic number.

It is not a de Polignac number, because 426464345365 - 2⁹ = 426464344853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42646434532 + ... + 42646434541.

It is an arithmetic number, because the mean of its divisors is an integer number (127939303611).

Almost surely, 2^426464345365 is an apocalyptic number.

It is an amenable number.

426464345365 is a deficient number, since it is larger than the sum of its proper divisors (85292869079).

426464345365 is an equidigital number, since it uses as much as digits as its factorization.

426464345365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85292869078.

The product of its digits is 24883200, while the sum is 52.

The spelling of 426464345365 in words is "four hundred twenty-six billion, four hundred sixty-four million, three hundred forty-five thousand, three hundred sixty-five".