42495118349 has 2 divisors, whose sum is σ = 42495118350. Its totient is φ = 42495118348.

The previous prime is 42495118301. The next prime is 42495118441. The reversal of 42495118349 is 94381159424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40383715849 + 2111402500 = 200957^2 + 45950^2 .

It is a cyclic number.

It is not a de Polignac number, because 42495118349 - 2²⁸ = 42226682893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42495118297 and 42495118306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42495112349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21247559174 + 21247559175.

It is an arithmetic number, because the mean of its divisors is an integer number (21247559175).

Almost surely, 2^42495118349 is an apocalyptic number.

It is an amenable number.

42495118349 is a deficient number, since it is larger than the sum of its proper divisors (1).

42495118349 is an equidigital number, since it uses as much as digits as its factorization.

42495118349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 50.

The spelling of 42495118349 in words is "forty-two billion, four hundred ninety-five million, one hundred eighteen thousand, three hundred forty-nine".