1948851964 has 48 divisors (see below), whose sum is σ = 3641742720. Its totient is φ = 909921600.

The previous prime is 1948851953. The next prime is 1948851991. The reversal of 1948851964 is 4691588491.

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 15 ways as a sum of consecutive naturals, for example, 2356119 + ... + 2356945.

It is an arithmetic number, because the mean of its divisors is an integer number (75869640).

Almost surely, 2^1948851964 is an apocalyptic number.

It is an amenable number.

1948851964 is a deficient number, since it is larger than the sum of its proper divisors (1692890756).

1948851964 is a wasteful number, since it uses less digits than its factorization.

1948851964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258 (or 1256 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 55.

The square root of 1948851964 is about 44145.8034698656. The cubic root of 1948851964 is about 1249.0877533935.

The spelling of 1948851964 in words is "one billion, nine hundred forty-eight million, eight hundred fifty-one thousand, nine hundred sixty-four".