1481899474 has 16 divisors (see below), whose sum is σ = 2464681536. Its totient is φ = 662547600.

The previous prime is 1481899427. The next prime is 1481899477. The reversal of 1481899474 is 4749981841.

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 7 ways as a sum of consecutive naturals, for example, 550782 + ... + 553465.

It is an arithmetic number, because the mean of its divisors is an integer number (154042596).

Almost surely, 2^1481899474 is an apocalyptic number.

1481899474 is a deficient number, since it is larger than the sum of its proper divisors (982782062).

1481899474 is a wasteful number, since it uses less digits than its factorization.

1481899474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104321.

The product of its digits is 2322432, while the sum is 55.

The square root of 1481899474 is about 38495.4474451201. The cubic root of 1481899474 is about 1140.0911679423.

The spelling of 1481899474 in words is "one billion, four hundred eighty-one million, eight hundred ninety-nine thousand, four hundred seventy-four".