1948782337 has 2 divisors, whose sum is σ = 1948782338. Its totient is φ = 1948782336.

The previous prime is 1948782307. The next prime is 1948782347. The reversal of 1948782337 is 7332878491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1780924401 + 167857936 = 42201^2 + 12956^2 .

It is a cyclic number.

It is not a de Polignac number, because 1948782337 - 2¹¹ = 1948780289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1948782307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974391168 + 974391169.

It is an arithmetic number, because the mean of its divisors is an integer number (974391169).

Almost surely, 2^1948782337 is an apocalyptic number.

It is an amenable number.

1948782337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1948782337 is an equidigital number, since it uses as much as digits as its factorization.

1948782337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 52.

The square root of 1948782337 is about 44145.0148601176. The cubic root of 1948782337 is about 1249.0728777521.

The spelling of 1948782337 in words is "one billion, nine hundred forty-eight million, seven hundred eighty-two thousand, three hundred thirty-seven".