27141020621 has 16 divisors (see below), whose sum is σ = 31942088640. Its totient is φ = 22735585920.

The previous prime is 27141020609. The next prime is 27141020623. The reversal of 27141020621 is 12602014172.

It is a cyclic number.

It is not a de Polignac number, because 27141020621 - 2³⁴ = 9961151437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27141020623) 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, 85415 + ... + 248148.

It is an arithmetic number, because the mean of its divisors is an integer number (1996380540).

Almost surely, 2^27141020621 is an apocalyptic number.

It is an amenable number.

27141020621 is a deficient number, since it is larger than the sum of its proper divisors (4801068019).

27141020621 is a wasteful number, since it uses less digits than its factorization.

27141020621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334156.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 27141020621 its reverse (12602014172), we get a palindrome (39743034793).

The spelling of 27141020621 in words is "twenty-seven billion, one hundred forty-one million, twenty thousand, six hundred twenty-one".