1481478999 has 32 divisors (see below), whose sum is σ = 2652163584. Its totient is φ = 710398080.

The previous prime is 1481478983. The next prime is 1481479019. The reversal of 1481478999 is 9998741841.

It is not a de Polignac number, because 1481478999 - 2⁴ = 1481478983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481478919) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243664 + ... + 249669.

It is an arithmetic number, because the mean of its divisors is an integer number (82880112).

Almost surely, 2^1481478999 is an apocalyptic number.

1481478999 is a deficient number, since it is larger than the sum of its proper divisors (1170684585).

1481478999 is a wasteful number, since it uses less digits than its factorization.

1481478999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493367.

The product of its digits is 5225472, while the sum is 60.

The square root of 1481478999 is about 38489.9856975811. The cubic root of 1481478999 is about 1139.9833277032.

The spelling of 1481478999 in words is "one billion, four hundred eighty-one million, four hundred seventy-eight thousand, nine hundred ninety-nine".