1948869316 has 9 divisors (see below), whose sum is σ = 3410675821. Its totient is φ = 974390512.

The previous prime is 1948869301. The next prime is 1948869347. The reversal of 1948869316 is 6139688491.

The square root of 1948869316 is 44146.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1889640900 + 59228416 = 43470^2 + 7696^2 .

It is a super-2 number, since 2×1948869316² = 7596183221692615712, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 77256 + ... + 99328.

Almost surely, 2^1948869316 is an apocalyptic number.

1948869316 is the 44146-th square number.

It is an amenable number.

1948869316 is a deficient number, since it is larger than the sum of its proper divisors (1461806505).

1948869316 is an frugal number, since it uses more digits than its factorization.

1948869316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44150 (or 22075 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 55.

The cubic root of 1948869316 is about 1249.0914605515.

It can be divided in two parts, 19488 and 69316, that added together give a square (88804 = 298²).

The spelling of 1948869316 in words is "one billion, nine hundred forty-eight million, eight hundred sixty-nine thousand, three hundred sixteen".