42994437203 has 2 divisors, whose sum is σ = 42994437204. Its totient is φ = 42994437202.

The previous prime is 42994437193. The next prime is 42994437247. The reversal of 42994437203 is 30273449924.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42994437203 - 2¹⁰ = 42994436179 is a prime.

It is not a weakly prime, because it can be changed into another prime (42994437253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21497218601 + 21497218602.

It is an arithmetic number, because the mean of its divisors is an integer number (21497218602).

Almost surely, 2^42994437203 is an apocalyptic number.

42994437203 is a deficient number, since it is larger than the sum of its proper divisors (1).

42994437203 is an equidigital number, since it uses as much as digits as its factorization.

42994437203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 47.

The spelling of 42994437203 in words is "forty-two billion, nine hundred ninety-four million, four hundred thirty-seven thousand, two hundred three".