1948819466 has 24 divisors (see below), whose sum is σ = 3217714752. Its totient is φ = 884565000.

The previous prime is 1948819451. The next prime is 1948819507. The reversal of 1948819466 is 6649188491.

It is a super-2 number, since 2×1948819466² = 7595794622121050312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176381 + ... + 187103.

It is an arithmetic number, because the mean of its divisors is an integer number (134071448).

Almost surely, 2^1948819466 is an apocalyptic number.

1948819466 is a deficient number, since it is larger than the sum of its proper divisors (1268895286).

1948819466 is a wasteful number, since it uses less digits than its factorization.

1948819466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11498 (or 11487 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 56.

The square root of 1948819466 is about 44145.4353925748. The cubic root of 1948819466 is about 1249.0808103179.

The spelling of 1948819466 in words is "one billion, nine hundred forty-eight million, eight hundred nineteen thousand, four hundred sixty-six".