42719328653 has 2 divisors, whose sum is σ = 42719328654. Its totient is φ = 42719328652.

The previous prime is 42719328583. The next prime is 42719328677. The reversal of 42719328653 is 35682391724.

42719328653 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., 41021641444 + 1697687209 = 202538^2 + 41203^2 .

It is a cyclic number.

It is not a de Polignac number, because 42719328653 - 2¹⁶ = 42719263117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42719328683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21359664326 + 21359664327.

It is an arithmetic number, because the mean of its divisors is an integer number (21359664327).

Almost surely, 2^42719328653 is an apocalyptic number.

It is an amenable number.

42719328653 is a deficient number, since it is larger than the sum of its proper divisors (1).

42719328653 is an equidigital number, since it uses as much as digits as its factorization.

42719328653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 50.

The spelling of 42719328653 in words is "forty-two billion, seven hundred nineteen million, three hundred twenty-eight thousand, six hundred fifty-three".