1948447474 has 16 divisors (see below), whose sum is σ = 2957945688. Its totient is φ = 962520832.

The previous prime is 1948447471. The next prime is 1948447477. The reversal of 1948447474 is 4747448491.

It is an interprime number because it is at equal distance from previous prime (1948447471) and next prime (1948447477).

It can be written as a sum of positive squares in 4 ways, for example, as 631265625 + 1317181849 = 25125^2 + 36293^2 .

It is not an unprimeable number, because it can be changed into a prime (1948447471) 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, 58044 + ... + 85240.

Almost surely, 2^1948447474 is an apocalyptic number.

1948447474 is a deficient number, since it is larger than the sum of its proper divisors (1009498214).

1948447474 is a wasteful number, since it uses less digits than its factorization.

1948447474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27629.

The product of its digits is 3612672, while the sum is 52.

The square root of 1948447474 is about 44141.2219359637. The cubic root of 1948447474 is about 1249.0013301259.

The spelling of 1948447474 in words is "one billion, nine hundred forty-eight million, four hundred forty-seven thousand, four hundred seventy-four".