42473520049 has 2 divisors, whose sum is σ = 42473520050. Its totient is φ = 42473520048.

The previous prime is 42473519987. The next prime is 42473520053. The reversal of 42473520049 is 94002537424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32627919424 + 9845600625 = 180632^2 + 99225^2 .

It is a cyclic number.

It is not a de Polignac number, because 42473520049 - 2²¹ = 42471422897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42473519993 and 42473520020.

It is not a weakly prime, because it can be changed into another prime (42473520449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21236760024 + 21236760025.

It is an arithmetic number, because the mean of its divisors is an integer number (21236760025).

Almost surely, 2^42473520049 is an apocalyptic number.

It is an amenable number.

42473520049 is a deficient number, since it is larger than the sum of its proper divisors (1).

42473520049 is an equidigital number, since it uses as much as digits as its factorization.

42473520049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 42473520049 in words is "forty-two billion, four hundred seventy-three million, five hundred twenty thousand, forty-nine".