1481072499 has 8 divisors (see below), whose sum is σ = 2194181520. Its totient is φ = 987381648.

The previous prime is 1481072471. The next prime is 1481072513. The reversal of 1481072499 is 9942701841.

It is a happy number.

1481072499 is a `hidden beast` number, since 14 + 81 + 0 + 72 + 499 = 666.

It is not a de Polignac number, because 1481072499 - 2¹² = 1481068403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1481072429) 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, 27427242 + ... + 27427295.

It is an arithmetic number, because the mean of its divisors is an integer number (274272690).

Almost surely, 2^1481072499 is an apocalyptic number.

1481072499 is a deficient number, since it is larger than the sum of its proper divisors (713109021).

1481072499 is an equidigital number, since it uses as much as digits as its factorization.

1481072499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54854546 (or 54854540 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1481072499 is about 38484.7047409747. The cubic root of 1481072499 is about 1139.8790522655.

The spelling of 1481072499 in words is "one billion, four hundred eighty-one million, seventy-two thousand, four hundred ninety-nine".