1481899473 has 12 divisors (see below), whose sum is σ = 2141238528. Its totient is φ = 987602040.

The previous prime is 1481899427. The next prime is 1481899477. The reversal of 1481899473 is 3749981841.

1481899473 is a `hidden beast` number, since 1 + 4 + 81 + 8 + 99 + 473 = 666.

It is not a de Polignac number, because 1481899473 - 2⁶ = 1481899409 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1481899477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2508 + ... + 54498.

It is an arithmetic number, because the mean of its divisors is an integer number (178436544).

Almost surely, 2^1481899473 is an apocalyptic number.

It is an amenable number.

1481899473 is a deficient number, since it is larger than the sum of its proper divisors (659339055).

1481899473 is a wasteful number, since it uses less digits than its factorization.

1481899473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55164 (or 55161 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 1481899473 is about 38495.4474321315. The cubic root of 1481899473 is about 1140.0911676859.

The spelling of 1481899473 in words is "one billion, four hundred eighty-one million, eight hundred ninety-nine thousand, four hundred seventy-three".