42180379337 has 2 divisors, whose sum is σ = 42180379338. Its totient is φ = 42180379336.

The previous prime is 42180379291. The next prime is 42180379349. The reversal of 42180379337 is 73397308124.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22230511801 + 19949867536 = 149099^2 + 141244^2 .

It is a cyclic number.

It is not a de Polignac number, because 42180379337 - 2¹⁰ = 42180378313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42180379291 and 42180379300.

It is not a weakly prime, because it can be changed into another prime (42180379357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21090189668 + 21090189669.

It is an arithmetic number, because the mean of its divisors is an integer number (21090189669).

Almost surely, 2^42180379337 is an apocalyptic number.

It is an amenable number.

42180379337 is a deficient number, since it is larger than the sum of its proper divisors (1).

42180379337 is an equidigital number, since it uses as much as digits as its factorization.

42180379337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 42180379337 in words is "forty-two billion, one hundred eighty million, three hundred seventy-nine thousand, three hundred thirty-seven".