421014545043 has 4 divisors (see below), whose sum is σ = 561352726728. Its totient is φ = 280676363360.

The previous prime is 421014544963. The next prime is 421014545071. The reversal of 421014545043 is 340545410124.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 421014545043 - 2³⁴ = 403834675859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421014544995 and 421014545013.

It is not an unprimeable number, because it can be changed into a prime (421014545443) 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, 70169090838 + ... + 70169090843.

It is an arithmetic number, because the mean of its divisors is an integer number (140338181682).

Almost surely, 2^421014545043 is an apocalyptic number.

421014545043 is a deficient number, since it is larger than the sum of its proper divisors (140338181685).

421014545043 is a wasteful number, since it uses less digits than its factorization.

421014545043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140338181684.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 421014545043 its reverse (340545410124), we get a palindrome (761559955167).

The spelling of 421014545043 in words is "four hundred twenty-one billion, fourteen million, five hundred forty-five thousand, forty-three".