13642472029 has 2 divisors, whose sum is σ = 13642472030. Its totient is φ = 13642472028.

The previous prime is 13642472021. The next prime is 13642472083. The reversal of 13642472029 is 92027424631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9417732025 + 4224740004 = 97045^2 + 64998^2 .

It is a cyclic number.

It is not a de Polignac number, because 13642472029 - 2³ = 13642472021 is a prime.

It is a super-2 number, since 2×13642472029² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13642471982 and 13642472000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13642472021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6821236014 + 6821236015.

It is an arithmetic number, because the mean of its divisors is an integer number (6821236015).

Almost surely, 2^13642472029 is an apocalyptic number.

It is an amenable number.

13642472029 is a deficient number, since it is larger than the sum of its proper divisors (1).

13642472029 is an equidigital number, since it uses as much as digits as its factorization.

13642472029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 13642472029 in words is "thirteen billion, six hundred forty-two million, four hundred seventy-two thousand, twenty-nine".