2021464312043 has 4 divisors (see below), whose sum is σ = 2205233794968. Its totient is φ = 1837694829120.

The previous prime is 2021464312027. The next prime is 2021464312097. The reversal of 2021464312043 is 3402134641202.

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 2021464312043 - 2⁴ = 2021464312027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021464312643) 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, 91884741446 + ... + 91884741467.

It is an arithmetic number, because the mean of its divisors is an integer number (551308448742).

Almost surely, 2^{2021464312043} is an apocalyptic number.

2021464312043 is a deficient number, since it is larger than the sum of its proper divisors (183769482925).

2021464312043 is a wasteful number, since it uses less digits than its factorization.

2021464312043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183769482924.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 2021464312043 its reverse (3402134641202), we get a palindrome (5423598953245).

The spelling of 2021464312043 in words is "two trillion, twenty-one billion, four hundred sixty-four million, three hundred twelve thousand, forty-three".