426513421544563 has 16 divisors (see below), whose sum is σ = 451752295702176. Its totient is φ = 401291205834240.

The previous prime is 426513421544557. The next prime is 426513421544569. The reversal of 426513421544563 is 365445124315624.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (426513421544557) and next prime (426513421544569).

It is a cyclic number.

It is not a de Polignac number, because 426513421544563 - 2¹⁷ = 426513421413491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426513421544569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1849762720 + ... + 1849993282.

It is an arithmetic number, because the mean of its divisors is an integer number (28234518481386).

Almost surely, 2^{426513421544563} is an apocalyptic number.

426513421544563 is a deficient number, since it is larger than the sum of its proper divisors (25238874157613).

426513421544563 is a wasteful number, since it uses less digits than its factorization.

426513421544563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266214.

The product of its digits is 41472000, while the sum is 55.

The spelling of 426513421544563 in words is "four hundred twenty-six trillion, five hundred thirteen billion, four hundred twenty-one million, five hundred forty-four thousand, five hundred sixty-three".