421346543013 has 128 divisors (see below), whose sum is σ = 700272967680. Its totient is φ = 251356867200.

The previous prime is 421346542987. The next prime is 421346543053. The reversal of 421346543013 is 310345643124.

421346543013 is a `hidden beast` number, since 4 + 2 + 1 + 346 + 5 + 4 + 301 + 3 = 666.

It is not a de Polignac number, because 421346543013 - 2¹³ = 421346534821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421346543053) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 491652481 + ... + 491653337.

It is an arithmetic number, because the mean of its divisors is an integer number (5470882560).

Almost surely, 2^421346543013 is an apocalyptic number.

It is an amenable number.

421346543013 is a deficient number, since it is larger than the sum of its proper divisors (278926424667).

421346543013 is a wasteful number, since it uses less digits than its factorization.

421346543013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187 (or 1169 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 421346543013 in words is "four hundred twenty-one billion, three hundred forty-six million, five hundred forty-three thousand, thirteen".