1485899993 has 4 divisors (see below), whose sum is σ = 1487063040. Its totient is φ = 1484736948.

The previous prime is 1485899963. The next prime is 1485900061. The reversal of 1485899993 is 3999985841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1485899993 - 2⁶ = 1485899929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1485899953) 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, 579605 + ... + 582162.

It is an arithmetic number, because the mean of its divisors is an integer number (371765760).

Almost surely, 2^1485899993 is an apocalyptic number.

It is an amenable number.

1485899993 is a deficient number, since it is larger than the sum of its proper divisors (1163047).

1485899993 is a wasteful number, since it uses less digits than its factorization.

1485899993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163046.

The product of its digits is 25194240, while the sum is 65.

The square root of 1485899993 is about 38547.3733605806. The cubic root of 1485899993 is about 1141.1161718575.

The spelling of 1485899993 in words is "one billion, four hundred eighty-five million, eight hundred ninety-nine thousand, nine hundred ninety-three".