4273733521129 has 2 divisors, whose sum is σ = 4273733521130. Its totient is φ = 4273733521128.

The previous prime is 4273733521121. The next prime is 4273733521147. The reversal of 4273733521129 is 9211253373724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3759856731225 + 513876789904 = 1939035^2 + 716852^2 .

It is a cyclic number.

It is not a de Polignac number, because 4273733521129 - 2³ = 4273733521121 is a prime.

It is not a weakly prime, because it can be changed into another prime (4273733521121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2136866760564 + 2136866760565.

It is an arithmetic number, because the mean of its divisors is an integer number (2136866760565).

Almost surely, 2^{4273733521129} is an apocalyptic number.

It is an amenable number.

4273733521129 is a deficient number, since it is larger than the sum of its proper divisors (1).

4273733521129 is an equidigital number, since it uses as much as digits as its factorization.

4273733521129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 49.

The spelling of 4273733521129 in words is "four trillion, two hundred seventy-three billion, seven hundred thirty-three million, five hundred twenty-one thousand, one hundred twenty-nine".