29824986543409 has 4 divisors (see below), whose sum is σ = 29836365785460. Its totient is φ = 29813607301360.

The previous prime is 29824986543383. The next prime is 29824986543433. The reversal of 29824986543409 is 90434568942892.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20028336941809 + 9796649601600 = 4475303^2 + 3129960^2 .

It is a cyclic number.

It is not a de Polignac number, because 29824986543409 - 2⁵ = 29824986543377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29824986543479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5689617094 + ... + 5689622335.

It is an arithmetic number, because the mean of its divisors is an integer number (7459091446365).

Almost surely, 2^{29824986543409} is an apocalyptic number.

It is an amenable number.

29824986543409 is a deficient number, since it is larger than the sum of its proper divisors (11379242051).

29824986543409 is a wasteful number, since it uses less digits than its factorization.

29824986543409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11379242050.

The product of its (nonzero) digits is 1074954240, while the sum is 73.

The spelling of 29824986543409 in words is "twenty-nine trillion, eight hundred twenty-four billion, nine hundred eighty-six million, five hundred forty-three thousand, four hundred nine".