13542489929 has 2 divisors, whose sum is σ = 13542489930. Its totient is φ = 13542489928.

The previous prime is 13542489923. The next prime is 13542489949. The reversal of 13542489929 is 92998424531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8239737529 + 5302752400 = 90773^2 + 72820^2 .

It is an emirp because it is prime and its reverse (92998424531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13542489929 - 2³² = 9247522633 is a prime.

It is not a weakly prime, because it can be changed into another prime (13542489923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6771244964 + 6771244965.

It is an arithmetic number, because the mean of its divisors is an integer number (6771244965).

Almost surely, 2^13542489929 is an apocalyptic number.

It is an amenable number.

13542489929 is a deficient number, since it is larger than the sum of its proper divisors (1).

13542489929 is an equidigital number, since it uses as much as digits as its factorization.

13542489929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 56.

The spelling of 13542489929 in words is "thirteen billion, five hundred forty-two million, four hundred eighty-nine thousand, nine hundred twenty-nine".