1927130849 has 24 divisors (see below), whose sum is σ = 2312762688. Its totient is φ = 1600331040.

The previous prime is 1927130839. The next prime is 1927130861. The reversal of 1927130849 is 9480317291.

It is not a de Polignac number, because 1927130849 - 2⁴ = 1927130833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1927130839) 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 in 23 ways as a sum of consecutive naturals, for example, 195452 + ... + 205074.

It is an arithmetic number, because the mean of its divisors is an integer number (96365112).

Almost surely, 2^1927130849 is an apocalyptic number.

It is an amenable number.

1927130849 is a deficient number, since it is larger than the sum of its proper divisors (385631839).

1927130849 is an equidigital number, since it uses as much as digits as its factorization.

1927130849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9765 (or 9758 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 1927130849 is about 43899.0984987163. The cubic root of 1927130849 is about 1244.4297962541.

The spelling of 1927130849 in words is "one billion, nine hundred twenty-seven million, one hundred thirty thousand, eight hundred forty-nine".