981649120327 has 2 divisors, whose sum is σ = 981649120328. Its totient is φ = 981649120326.

The previous prime is 981649120313. The next prime is 981649120337. The reversal of 981649120327 is 723021946189.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 981649120327 - 2¹¹ = 981649118279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (981649120337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490824560163 + 490824560164.

It is an arithmetic number, because the mean of its divisors is an integer number (490824560164).

Almost surely, 2^981649120327 is an apocalyptic number.

981649120327 is a deficient number, since it is larger than the sum of its proper divisors (1).

981649120327 is an equidigital number, since it uses as much as digits as its factorization.

981649120327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 981649120327 in words is "nine hundred eighty-one billion, six hundred forty-nine million, one hundred twenty thousand, three hundred twenty-seven".