29530593869 has 24 divisors (see below), whose sum is σ = 36461967480. Its totient is φ = 23764478976.

The previous prime is 29530593863. The next prime is 29530593881. The reversal of 29530593869 is 96839503592.

It can be written as a sum of positive squares in 4 ways, for example, as 16724955625 + 12805638244 = 129325^2 + 113162^2 .

It is not a de Polignac number, because 29530593869 - 2⁴ = 29530593853 is a prime.

It is a super-2 number, since 2×29530593869² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29530593863) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297359 + ... + 384035.

It is an arithmetic number, because the mean of its divisors is an integer number (1519248645).

Almost surely, 2^29530593869 is an apocalyptic number.

It is an amenable number.

29530593869 is a deficient number, since it is larger than the sum of its proper divisors (6931373611).

29530593869 is a wasteful number, since it uses less digits than its factorization.

29530593869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87117 (or 87110 counting only the distinct ones).

The product of its (nonzero) digits is 15746400, while the sum is 59.

The spelling of 29530593869 in words is "twenty-nine billion, five hundred thirty million, five hundred ninety-three thousand, eight hundred sixty-nine".