1948268479 has 2 divisors, whose sum is σ = 1948268480. Its totient is φ = 1948268478.

The previous prime is 1948268449. The next prime is 1948268557. The reversal of 1948268479 is 9748628491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1948268479 - 2⁷ = 1948268351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1948268449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974134239 + 974134240.

It is an arithmetic number, because the mean of its divisors is an integer number (974134240).

Almost surely, 2^1948268479 is an apocalyptic number.

1948268479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1948268479 is an equidigital number, since it uses as much as digits as its factorization.

1948268479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 58.

The square root of 1948268479 is about 44139.1943628336. The cubic root of 1948268479 is about 1248.9630822658.

The spelling of 1948268479 in words is "one billion, nine hundred forty-eight million, two hundred sixty-eight thousand, four hundred seventy-nine".