2087473481 has 4 divisors (see below), whose sum is σ = 2087583252. Its totient is φ = 2087363712.

The previous prime is 2087473439. The next prime is 2087473501. The reversal of 2087473481 is 1843747802.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 586608400 + 1500865081 = 24220^2 + 38741^2 .

It is a cyclic number.

It is not a de Polignac number, because 2087473481 - 2³⁰ = 1013731657 is a prime.

It is a super-2 number, since 2×2087473481² = 8715091067756514722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2087473081) 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, 18176 + ... + 67121.

It is an arithmetic number, because the mean of its divisors is an integer number (521895813).

Almost surely, 2^2087473481 is an apocalyptic number.

It is an amenable number.

2087473481 is a deficient number, since it is larger than the sum of its proper divisors (109771).

2087473481 is an equidigital number, since it uses as much as digits as its factorization.

2087473481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109770.

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 2087473481 is about 45688.8769942970. The cubic root of 2087473481 is about 1278.0278632953.

The spelling of 2087473481 in words is "two billion, eighty-seven million, four hundred seventy-three thousand, four hundred eighty-one".