1481102993 has 4 divisors (see below), whose sum is σ = 1532175540. Its totient is φ = 1430030448.

The previous prime is 1481102977. The next prime is 1481102999. The reversal of 1481102993 is 3992011841.

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

It can be written as a sum of positive squares in 2 ways, for example, as 505665169 + 975437824 = 22487^2 + 31232^2 .

It is a cyclic number.

It is not a de Polignac number, because 1481102993 - 2⁴ = 1481102977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1481102999) 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, 25536230 + ... + 25536287.

It is an arithmetic number, because the mean of its divisors is an integer number (383043885).

Almost surely, 2^1481102993 is an apocalyptic number.

It is an amenable number.

1481102993 is a deficient number, since it is larger than the sum of its proper divisors (51072547).

1481102993 is an equidigital number, since it uses as much as digits as its factorization.

1481102993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51072546.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 1481102993 is about 38485.1009223050. The cubic root of 1481102993 is about 1139.8868752526.

The spelling of 1481102993 in words is "one billion, four hundred eighty-one million, one hundred two thousand, nine hundred ninety-three".