426410000021 has 16 divisors (see below), whose sum is σ = 448110374400. Its totient is φ = 405254741760.

The previous prime is 426409999993. The next prime is 426410000057. The reversal of 426410000021 is 120000014624.

It is a cyclic number.

It is not a de Polignac number, because 426410000021 - 2¹⁰ = 426409998997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 426409999948 and 426410000002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426410000921) 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, 122930 + ... + 931628.

It is an arithmetic number, because the mean of its divisors is an integer number (28006898400).

Almost surely, 2^426410000021 is an apocalyptic number.

It is an amenable number.

426410000021 is a deficient number, since it is larger than the sum of its proper divisors (21700374379).

426410000021 is a wasteful number, since it uses less digits than its factorization.

426410000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809036.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 426410000021 its reverse (120000014624), we get a palindrome (546410014645).

The spelling of 426410000021 in words is "four hundred twenty-six billion, four hundred ten million, twenty-one", and thus it is an aban number.