1481582667 has 4 divisors (see below), whose sum is σ = 1975443560. Its totient is φ = 987721776.

The previous prime is 1481582639. The next prime is 1481582671. The reversal of 1481582667 is 7662851841.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1481582667 - 2⁶ = 1481582603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1481582567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246930442 + ... + 246930447.

It is an arithmetic number, because the mean of its divisors is an integer number (493860890).

Almost surely, 2^1481582667 is an apocalyptic number.

1481582667 is a deficient number, since it is larger than the sum of its proper divisors (493860893).

1481582667 is an equidigital number, since it uses as much as digits as its factorization.

1481582667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493860892.

The product of its digits is 645120, while the sum is 48.

The square root of 1481582667 is about 38491.3323619747. The cubic root of 1481582667 is about 1140.0099175807.

The spelling of 1481582667 in words is "one billion, four hundred eighty-one million, five hundred eighty-two thousand, six hundred sixty-seven".