2045972443 has 2 divisors, whose sum is σ = 2045972444. Its totient is φ = 2045972442.

The previous prime is 2045972437. The next prime is 2045972449. The reversal of 2045972443 is 3442795402.

It is a balanced prime because it is at equal distance from previous prime (2045972437) and next prime (2045972449).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045972443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2045972396 and 2045972405.

It is not a weakly prime, because it can be changed into another prime (2045972449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022986221 + 1022986222.

It is an arithmetic number, because the mean of its divisors is an integer number (1022986222).

Almost surely, 2^2045972443 is an apocalyptic number.

2045972443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045972443 is an equidigital number, since it uses as much as digits as its factorization.

2045972443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 2045972443 is about 45232.4268970835. The cubic root of 2045972443 is about 1269.5016216737.

The spelling of 2045972443 in words is "two billion, forty-five million, nine hundred seventy-two thousand, four hundred forty-three".