2053440043 has 2 divisors, whose sum is σ = 2053440044. Its totient is φ = 2053440042.

The previous prime is 2053440007. The next prime is 2053440089. The reversal of 2053440043 is 3400443502.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2053440043 is a prime.

It is not a weakly prime, because it can be changed into another prime (2053440343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026720021 + 1026720022.

It is an arithmetic number, because the mean of its divisors is an integer number (1026720022).

Almost surely, 2^2053440043 is an apocalyptic number.

2053440043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2053440043 is an equidigital number, since it uses as much as digits as its factorization.

2053440043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 2053440043 is about 45314.8986868557. The cubic root of 2053440043 is about 1271.0442654211.

Adding to 2053440043 its reverse (3400443502), we get a palindrome (5453883545).

The spelling of 2053440043 in words is "two billion, fifty-three million, four hundred forty thousand, forty-three".