426887464819 has 4 divisors (see below), whose sum is σ = 426996119160. Its totient is φ = 426778810480.

The previous prime is 426887464789. The next prime is 426887464849. The reversal of 426887464819 is 918464788624.

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

It is an interprime number because it is at equal distance from previous prime (426887464789) and next prime (426887464849).

It is a cyclic number.

It is not a de Polignac number, because 426887464819 - 2⁷ = 426887464691 is a prime.

It is a super-3 number, since 3×426887464819³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426887464849) 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, 54321277 + ... + 54329134.

It is an arithmetic number, because the mean of its divisors is an integer number (106749029790).

Almost surely, 2^426887464819 is an apocalyptic number.

426887464819 is a deficient number, since it is larger than the sum of its proper divisors (108654341).

426887464819 is a wasteful number, since it uses less digits than its factorization.

426887464819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108654340.

The product of its digits is 148635648, while the sum is 67.

The spelling of 426887464819 in words is "four hundred twenty-six billion, eight hundred eighty-seven million, four hundred sixty-four thousand, eight hundred nineteen".