27100730851 has 2 divisors, whose sum is σ = 27100730852. Its totient is φ = 27100730850.

The previous prime is 27100730837. The next prime is 27100730861. The reversal of 27100730851 is 15803700172.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27100730851 is a prime.

It is a super-2 number, since 2×27100730851² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27100730831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13550365425 + 13550365426.

It is an arithmetic number, because the mean of its divisors is an integer number (13550365426).

Almost surely, 2^27100730851 is an apocalyptic number.

27100730851 is a deficient number, since it is larger than the sum of its proper divisors (1).

27100730851 is an equidigital number, since it uses as much as digits as its factorization.

27100730851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 27100730851 in words is "twenty-seven billion, one hundred million, seven hundred thirty thousand, eight hundred fifty-one".