42260946449 has 2 divisors, whose sum is σ = 42260946450. Its totient is φ = 42260946448.

The previous prime is 42260946443. The next prime is 42260946451. The reversal of 42260946449 is 94464906224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41724190225 + 536756224 = 204265^2 + 23168^2 .

It is a cyclic number.

It is not a de Polignac number, because 42260946449 - 2²⁸ = 41992510993 is a prime.

Together with 42260946451, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42260946397 and 42260946406.

It is not a weakly prime, because it can be changed into another prime (42260946443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21130473224 + 21130473225.

It is an arithmetic number, because the mean of its divisors is an integer number (21130473225).

Almost surely, 2^42260946449 is an apocalyptic number.

It is an amenable number.

42260946449 is a deficient number, since it is larger than the sum of its proper divisors (1).

42260946449 is an equidigital number, since it uses as much as digits as its factorization.

42260946449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2985984, while the sum is 50.

The spelling of 42260946449 in words is "forty-two billion, two hundred sixty million, nine hundred forty-six thousand, four hundred forty-nine".