1234472159729 has 2 divisors, whose sum is σ = 1234472159730. Its totient is φ = 1234472159728.

The previous prime is 1234472159719. The next prime is 1234472159741. The reversal of 1234472159729 is 9279512744321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 790818918400 + 443653241329 = 889280^2 + 666073^2 .

It is a cyclic number.

It is not a de Polignac number, because 1234472159729 - 2²⁴ = 1234455382513 is a prime.

It is a super-3 number, since 3×1234472159729³ (a number of 37 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1234472159719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617236079864 + 617236079865.

It is an arithmetic number, because the mean of its divisors is an integer number (617236079865).

Almost surely, 2^{1234472159729} is an apocalyptic number.

It is an amenable number.

1234472159729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234472159729 is an equidigital number, since it uses as much as digits as its factorization.

1234472159729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 56.

The spelling of 1234472159729 in words is "one trillion, two hundred thirty-four billion, four hundred seventy-two million, one hundred fifty-nine thousand, seven hundred twenty-nine".