2043420320407 has 2 divisors, whose sum is σ = 2043420320408. Its totient is φ = 2043420320406.

The previous prime is 2043420320387. The next prime is 2043420320413. The reversal of 2043420320407 is 7040230243402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2043420320407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2043420320467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021710160203 + 1021710160204.

It is an arithmetic number, because the mean of its divisors is an integer number (1021710160204).

Almost surely, 2^{2043420320407} is an apocalyptic number.

2043420320407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043420320407 is an equidigital number, since it uses as much as digits as its factorization.

2043420320407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 31.

Adding to 2043420320407 its reverse (7040230243402), we get a palindrome (9083650563809).

The spelling of 2043420320407 in words is "two trillion, forty-three billion, four hundred twenty million, three hundred twenty thousand, four hundred seven".