27638384029 has 8 divisors (see below), whose sum is σ = 29157840000. Its totient is φ = 26125408512.

The previous prime is 27638384027. The next prime is 27638384041. The reversal of 27638384029 is 92048383672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27638384029 - 2¹ = 27638384027 is a prime.

It is a super-3 number, since 3×27638384029³ (a number of 32 digits) contains 333 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 (27638384021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1611349 + ... + 1628410.

It is an arithmetic number, because the mean of its divisors is an integer number (3644730000).

Almost surely, 2^27638384029 is an apocalyptic number.

It is an amenable number.

27638384029 is a deficient number, since it is larger than the sum of its proper divisors (1519455971).

27638384029 is a wasteful number, since it uses less digits than its factorization.

27638384029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240227.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 27638384029 in words is "twenty-seven billion, six hundred thirty-eight million, three hundred eighty-four thousand, twenty-nine".