42729734153 has 2 divisors, whose sum is σ = 42729734154. Its totient is φ = 42729734152.

The previous prime is 42729734143. The next prime is 42729734183. The reversal of 42729734153 is 35143792724.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30078658624 + 12651075529 = 173432^2 + 112477^2 .

It is a cyclic number.

It is not a de Polignac number, because 42729734153 - 2²⁰ = 42728685577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42729734098 and 42729734107.

It is not a weakly prime, because it can be changed into another prime (42729734143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21364867076 + 21364867077.

It is an arithmetic number, because the mean of its divisors is an integer number (21364867077).

Almost surely, 2^42729734153 is an apocalyptic number.

It is an amenable number.

42729734153 is a deficient number, since it is larger than the sum of its proper divisors (1).

42729734153 is an equidigital number, since it uses as much as digits as its factorization.

42729734153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 47.

The spelling of 42729734153 in words is "forty-two billion, seven hundred twenty-nine million, seven hundred thirty-four thousand, one hundred fifty-three".