27936145013 has 32 divisors (see below), whose sum is σ = 32890530816. Its totient is φ = 23230867968.

The previous prime is 27936144991. The next prime is 27936145057. The reversal of 27936145013 is 31054163972.

It is not a de Polignac number, because 27936145013 - 2¹² = 27936140917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27936145073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49619870 + ... + 49620432.

It is an arithmetic number, because the mean of its divisors is an integer number (1027829088).

Almost surely, 2^27936145013 is an apocalyptic number.

It is an amenable number.

27936145013 is a deficient number, since it is larger than the sum of its proper divisors (4954385803).

27936145013 is a wasteful number, since it uses less digits than its factorization.

27936145013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 27936145013 in words is "twenty-seven billion, nine hundred thirty-six million, one hundred forty-five thousand, thirteen".