27624951138409 has 8 divisors (see below), whose sum is σ = 28049424149120. Its totient is φ = 27203587820496.

The previous prime is 27624951138403. The next prime is 27624951138457. The reversal of 27624951138409 is 90483115942672.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27624951138409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27624951138403) 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, 777405297 + ... + 777440830.

It is an arithmetic number, because the mean of its divisors is an integer number (3506178018640).

It is a 1-persistent number, because it is pandigital, but 2⋅27624951138409 = 55249902276818 is not.

Almost surely, 2^{27624951138409} is an apocalyptic number.

It is an amenable number.

27624951138409 is a deficient number, since it is larger than the sum of its proper divisors (424473010711).

27624951138409 is a wasteful number, since it uses less digits than its factorization.

27624951138409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554846399.

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 27624951138409 in words is "twenty-seven trillion, six hundred twenty-four billion, nine hundred fifty-one million, one hundred thirty-eight thousand, four hundred nine".