1485218747 has 4 divisors (see below), whose sum is σ = 1487466336. Its totient is φ = 1482971160.

The previous prime is 1485218737. The next prime is 1485218759. The reversal of 1485218747 is 7478125841.

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

It is a cyclic number.

It is not a de Polignac number, because 1485218747 - 2¹² = 1485214651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1485218717) 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, 1122803 + ... + 1124124.

It is an arithmetic number, because the mean of its divisors is an integer number (371866584).

Almost surely, 2^1485218747 is an apocalyptic number.

1485218747 is a deficient number, since it is larger than the sum of its proper divisors (2247589).

1485218747 is an equidigital number, since it uses as much as digits as its factorization.

1485218747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247588.

The product of its digits is 501760, while the sum is 47.

The square root of 1485218747 is about 38538.5358699575. The cubic root of 1485218747 is about 1140.9417546324.

The spelling of 1485218747 in words is "one billion, four hundred eighty-five million, two hundred eighteen thousand, seven hundred forty-seven".