42334413197 has 2 divisors, whose sum is σ = 42334413198. Its totient is φ = 42334413196.

The previous prime is 42334413181. The next prime is 42334413257. The reversal of 42334413197 is 79131443324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30594907396 + 11739505801 = 174914^2 + 108349^2 .

It is a cyclic number.

It is not a de Polignac number, because 42334413197 - 2⁴ = 42334413181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42334413127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21167206598 + 21167206599.

It is an arithmetic number, because the mean of its divisors is an integer number (21167206599).

Almost surely, 2^42334413197 is an apocalyptic number.

It is an amenable number.

42334413197 is a deficient number, since it is larger than the sum of its proper divisors (1).

42334413197 is an equidigital number, since it uses as much as digits as its factorization.

42334413197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 41.

The spelling of 42334413197 in words is "forty-two billion, three hundred thirty-four million, four hundred thirteen thousand, one hundred ninety-seven".