1948783349 has 8 divisors (see below), whose sum is σ = 2058431232. Its totient is φ = 1842059520.

The previous prime is 1948783337. The next prime is 1948783351. The reversal of 1948783349 is 9433878491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1948783349 - 2²⁰ = 1947734773 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1948783294 and 1948783303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948786349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729644 + ... + 732309.

It is an arithmetic number, because the mean of its divisors is an integer number (257303904).

Almost surely, 2^1948783349 is an apocalyptic number.

It is an amenable number.

1948783349 is a deficient number, since it is larger than the sum of its proper divisors (109647883).

1948783349 is a wasteful number, since it uses less digits than its factorization.

1948783349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462027.

The product of its digits is 5225472, while the sum is 56.

The square root of 1948783349 is about 44145.0263223390. The cubic root of 1948783349 is about 1249.0730939661.

The spelling of 1948783349 in words is "one billion, nine hundred forty-eight million, seven hundred eighty-three thousand, three hundred forty-nine".