42641819273 has 2 divisors, whose sum is σ = 42641819274. Its totient is φ = 42641819272.

The previous prime is 42641819251. The next prime is 42641819333. The reversal of 42641819273 is 37291814624.

42641819273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34539479104 + 8102340169 = 185848^2 + 90013^2 .

It is a cyclic number.

It is not a de Polignac number, because 42641819273 - 2²⁸ = 42373383817 is a prime.

It is a super-2 number, since 2×42641819273² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42641812273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21320909636 + 21320909637.

It is an arithmetic number, because the mean of its divisors is an integer number (21320909637).

Almost surely, 2^42641819273 is an apocalyptic number.

It is an amenable number.

42641819273 is a deficient number, since it is larger than the sum of its proper divisors (1).

42641819273 is an equidigital number, since it uses as much as digits as its factorization.

42641819273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 47.

The spelling of 42641819273 in words is "forty-two billion, six hundred forty-one million, eight hundred nineteen thousand, two hundred seventy-three".