29023639049 has 16 divisors (see below), whose sum is σ = 30028374288. Its totient is φ = 28031173632.

The previous prime is 29023639037. The next prime is 29023639109. The reversal of 29023639049 is 94093632092.

It can be written as a sum of positive squares in 8 ways, for example, as 22094741449 + 6928897600 = 148643^2 + 83240^2 .

It is a cyclic number.

It is not a de Polignac number, because 29023639049 - 2⁴ = 29023639033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 29023638994 and 29023639012.

It is not an unprimeable number, because it can be changed into a prime (29023639849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3326717 + ... + 3335429.

It is an arithmetic number, because the mean of its divisors is an integer number (1876773393).

Almost surely, 2^29023639049 is an apocalyptic number.

It is an amenable number.

29023639049 is a deficient number, since it is larger than the sum of its proper divisors (1004735239).

29023639049 is a wasteful number, since it uses less digits than its factorization.

29023639049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9404.

The product of its (nonzero) digits is 629856, while the sum is 47.

The spelling of 29023639049 in words is "twenty-nine billion, twenty-three million, six hundred thirty-nine thousand, forty-nine".