1948649035 has 4 divisors (see below), whose sum is σ = 2338378848. Its totient is φ = 1558919224.

The previous prime is 1948649029. The next prime is 1948649047. The reversal of 1948649035 is 5309468491.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5309468491 = 40099 ⋅132409.

It is a cyclic number.

It is not a de Polignac number, because 1948649035 - 2¹⁹ = 1948124747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1948649035.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194864899 + ... + 194864908.

It is an arithmetic number, because the mean of its divisors is an integer number (584594712).

Almost surely, 2^1948649035 is an apocalyptic number.

1948649035 is a deficient number, since it is larger than the sum of its proper divisors (389729813).

1948649035 is an equidigital number, since it uses as much as digits as its factorization.

1948649035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389729812.

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 1948649035 is about 44143.5050148943. The cubic root of 1948649035 is about 1249.0443971113.

The spelling of 1948649035 in words is "one billion, nine hundred forty-eight million, six hundred forty-nine thousand, thirty-five".