1949049848 has 8 divisors (see below), whose sum is σ = 3654468480. Its totient is φ = 974524920.

The previous prime is 1949049829. The next prime is 1949049853. The reversal of 1949049848 is 8489409491.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1949049793 and 1949049802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121815608 + ... + 121815623.

It is an arithmetic number, because the mean of its divisors is an integer number (456808560).

Almost surely, 2^1949049848 is an apocalyptic number.

It is an amenable number.

1949049848 is a deficient number, since it is larger than the sum of its proper divisors (1705418632).

1949049848 is a wasteful number, since it uses less digits than its factorization.

1949049848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243631237 (or 243631233 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 56.

The square root of 1949049848 is about 44148.0446679125. The cubic root of 1949049848 is about 1249.1300289007.

The spelling of 1949049848 in words is "one billion, nine hundred forty-nine million, forty-nine thousand, eight hundred forty-eight".