426723881511 has 4 divisors (see below), whose sum is σ = 568965175352. Its totient is φ = 284482587672.

The previous prime is 426723881491. The next prime is 426723881533. The reversal of 426723881511 is 115188327624.

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

It is not a de Polignac number, because 426723881511 - 2¹⁸ = 426723619367 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 (426723881411) 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, 71120646916 + ... + 71120646921.

It is an arithmetic number, because the mean of its divisors is an integer number (142241293838).

Almost surely, 2^426723881511 is an apocalyptic number.

426723881511 is a deficient number, since it is larger than the sum of its proper divisors (142241293841).

426723881511 is a wasteful number, since it uses less digits than its factorization.

426723881511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142241293840.

The product of its digits is 645120, while the sum is 48.

The spelling of 426723881511 in words is "four hundred twenty-six billion, seven hundred twenty-three million, eight hundred eighty-one thousand, five hundred eleven".