1948739414 has 16 divisors (see below), whose sum is σ = 2969001216. Its totient is φ = 959116200.

The previous prime is 1948739399. The next prime is 1948739447. The reversal of 1948739414 is 4149378491.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81269 + ... + 102479.

It is an arithmetic number, because the mean of its divisors is an integer number (185562576).

Almost surely, 2^1948739414 is an apocalyptic number.

1948739414 is a deficient number, since it is larger than the sum of its proper divisors (1020261802).

1948739414 is a wasteful number, since it uses less digits than its factorization.

1948739414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21931.

The product of its digits is 870912, while the sum is 50.

The square root of 1948739414 is about 44144.5286983563. The cubic root of 1948739414 is about 1249.0637071797.

The spelling of 1948739414 in words is "one billion, nine hundred forty-eight million, seven hundred thirty-nine thousand, four hundred fourteen".