27499189001 has 8 divisors (see below), whose sum is σ = 29277657864. Its totient is φ = 25738594560.

The previous prime is 27499188973. The next prime is 27499189043. The reversal of 27499189001 is 10098199472.

It can be written as a sum of positive squares in 4 ways, for example, as 174768400 + 27324420601 = 13220^2 + 165301^2 .

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-27499189001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27499189061) 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, 4465430 + ... + 4471583.

It is an arithmetic number, because the mean of its divisors is an integer number (3659707233).

Almost surely, 2^27499189001 is an apocalyptic number.

It is an amenable number.

27499189001 is a deficient number, since it is larger than the sum of its proper divisors (1778468863).

27499189001 is a wasteful number, since it uses less digits than its factorization.

27499189001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8937211.

The product of its (nonzero) digits is 326592, while the sum is 50.

The spelling of 27499189001 in words is "twenty-seven billion, four hundred ninety-nine million, one hundred eighty-nine thousand, one".