42550720753 has 2 divisors, whose sum is σ = 42550720754. Its totient is φ = 42550720752.

The previous prime is 42550720657. The next prime is 42550720759. The reversal of 42550720753 is 35702705524.

42550720753 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38749135104 + 3801585649 = 196848^2 + 61657^2 .

It is a cyclic number.

It is not a de Polignac number, because 42550720753 - 2⁹ = 42550720241 is a prime.

It is a super-3 number, since 3×42550720753³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (42550720759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21275360376 + 21275360377.

It is an arithmetic number, because the mean of its divisors is an integer number (21275360377).

Almost surely, 2^42550720753 is an apocalyptic number.

It is an amenable number.

42550720753 is a deficient number, since it is larger than the sum of its proper divisors (1).

42550720753 is an equidigital number, since it uses as much as digits as its factorization.

42550720753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294000, while the sum is 40.

The spelling of 42550720753 in words is "forty-two billion, five hundred fifty million, seven hundred twenty thousand, seven hundred fifty-three".