1985482379 has 2 divisors, whose sum is σ = 1985482380. Its totient is φ = 1985482378.

The previous prime is 1985482339. The next prime is 1985482393. The reversal of 1985482379 is 9732845891.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1985482379 - 2²⁸ = 1717046923 is a prime.

It is not a weakly prime, because it can be changed into another prime (1985482319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 992741189 + 992741190.

It is an arithmetic number, because the mean of its divisors is an integer number (992741190).

Almost surely, 2^1985482379 is an apocalyptic number.

1985482379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1985482379 is an equidigital number, since it uses as much as digits as its factorization.

1985482379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 56.

The square root of 1985482379 is about 44558.7519910511. The cubic root of 1985482379 is about 1256.8651344384.

The spelling of 1985482379 in words is "one billion, nine hundred eighty-five million, four hundred eighty-two thousand, three hundred seventy-nine".