42043263401933 has 2 divisors, whose sum is σ = 42043263401934. Its totient is φ = 42043263401932.

The previous prime is 42043263401929. The next prime is 42043263401941. The reversal of 42043263401933 is 33910436234024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32230350043684 + 9812913358249 = 5677178^2 + 3132557^2 .

It is a cyclic number.

It is not a de Polignac number, because 42043263401933 - 2² = 42043263401929 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42043263401533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21021631700966 + 21021631700967.

It is an arithmetic number, because the mean of its divisors is an integer number (21021631700967).

Almost surely, 2^{42043263401933} is an apocalyptic number.

It is an amenable number.

42043263401933 is a deficient number, since it is larger than the sum of its proper divisors (1).

42043263401933 is an equidigital number, since it uses as much as digits as its factorization.

42043263401933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 44.

Adding to 42043263401933 its reverse (33910436234024), we get a palindrome (75953699635957).

The spelling of 42043263401933 in words is "forty-two trillion, forty-three billion, two hundred sixty-three million, four hundred one thousand, nine hundred thirty-three".