27990519141 has 16 divisors (see below), whose sum is σ = 40605865664. Its totient is φ = 17047355904.

The previous prime is 27990519113. The next prime is 27990519143. The reversal of 27990519141 is 14191509972.

It is not a de Polignac number, because 27990519141 - 2⁷ = 27990519013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27990519143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3695731 + ... + 3703296.

It is an arithmetic number, because the mean of its divisors is an integer number (2537866604).

Almost surely, 2^27990519141 is an apocalyptic number.

It is an amenable number.

27990519141 is a deficient number, since it is larger than the sum of its proper divisors (12615346523).

27990519141 is a wasteful number, since it uses less digits than its factorization.

27990519141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7399140.

The product of its (nonzero) digits is 204120, while the sum is 48.

The spelling of 27990519141 in words is "twenty-seven billion, nine hundred ninety million, five hundred nineteen thousand, one hundred forty-one".