43044220451 has 2 divisors, whose sum is σ = 43044220452. Its totient is φ = 43044220450.

The previous prime is 43044220357. The next prime is 43044220487. The reversal of 43044220451 is 15402244034.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43044220451 is a prime.

It is not a weakly prime, because it can be changed into another prime (43044223451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21522110225 + 21522110226.

It is an arithmetic number, because the mean of its divisors is an integer number (21522110226).

Almost surely, 2^43044220451 is an apocalyptic number.

43044220451 is a deficient number, since it is larger than the sum of its proper divisors (1).

43044220451 is an equidigital number, since it uses as much as digits as its factorization.

43044220451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 43044220451 its reverse (15402244034), we get a palindrome (58446464485).

The spelling of 43044220451 in words is "forty-three billion, forty-four million, two hundred twenty thousand, four hundred fifty-one".