1948849441 has 16 divisors (see below), whose sum is σ = 2508115968. Its totient is φ = 1469595600.

The previous prime is 1948849429. The next prime is 1948849447. The reversal of 1948849441 is 1449488491.

It is a happy number.

It is not a de Polignac number, because 1948849441 - 2¹¹ = 1948847393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1948849447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405835 + ... + 410608.

It is an arithmetic number, because the mean of its divisors is an integer number (156757248).

Almost surely, 2^1948849441 is an apocalyptic number.

1948849441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1948849441 is a deficient number, since it is larger than the sum of its proper divisors (559266527).

1948849441 is a wasteful number, since it uses less digits than its factorization.

1948849441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816492.

The product of its digits is 1327104, while the sum is 52.

The square root of 1948849441 is about 44145.7748940938. The cubic root of 1948849441 is about 1249.0872143668.

The spelling of 1948849441 in words is "one billion, nine hundred forty-eight million, eight hundred forty-nine thousand, four hundred forty-one".