27100942061 has 2 divisors, whose sum is σ = 27100942062. Its totient is φ = 27100942060.

The previous prime is 27100942031. The next prime is 27100942097. The reversal of 27100942061 is 16024900172.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18527293225 + 8573648836 = 136115^2 + 92594^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27100942061 is a prime.

It is a super-2 number, since 2×27100942061² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27100942031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13550471030 + 13550471031.

It is an arithmetic number, because the mean of its divisors is an integer number (13550471031).

Almost surely, 2^27100942061 is an apocalyptic number.

It is an amenable number.

27100942061 is a deficient number, since it is larger than the sum of its proper divisors (1).

27100942061 is an equidigital number, since it uses as much as digits as its factorization.

27100942061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 27100942061 in words is "twenty-seven billion, one hundred million, nine hundred forty-two thousand, sixty-one".