3486473281 has 4 divisors (see below), whose sum is σ = 3486658864. Its totient is φ = 3486287700.

The previous prime is 3486473257. The next prime is 3486473303. The reversal of 3486473281 is 1823746843.

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 3486473281 - 2¹³ = 3486465089 is a prime.

It is a super-2 number, since 2×3486473281² = 24310991878253809922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3486474281) 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, 60975 + ... + 103396.

It is an arithmetic number, because the mean of its divisors is an integer number (871664716).

Almost surely, 2^3486473281 is an apocalyptic number.

It is an amenable number.

3486473281 is a deficient number, since it is larger than the sum of its proper divisors (185583).

3486473281 is a wasteful number, since it uses less digits than its factorization.

3486473281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185582.

The product of its digits is 774144, while the sum is 46.

The square root of 3486473281 is about 59046.3655189716. The cubic root of 3486473281 is about 1516.3360042714.

The spelling of 3486473281 in words is "three billion, four hundred eighty-six million, four hundred seventy-three thousand, two hundred eighty-one".