6490853281 has 4 divisors (see below), whose sum is σ = 7080930864. Its totient is φ = 5900775700.

The previous prime is 6490853273. The next prime is 6490853293. The reversal of 6490853281 is 1823580946.

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 6490853281 - 2³ = 6490853273 is a prime.

It is a super-2 number, since 2×6490853281² = 84262352630936929922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6490883281) 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, 295038775 + ... + 295038796.

It is an arithmetic number, because the mean of its divisors is an integer number (1770232716).

Almost surely, 2^6490853281 is an apocalyptic number.

It is an amenable number.

6490853281 is a deficient number, since it is larger than the sum of its proper divisors (590077583).

6490853281 is a wasteful number, since it uses less digits than its factorization.

6490853281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590077582.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 6490853281 is about 80565.8319698866. The cubic root of 6490853281 is about 1865.3797769433.

The spelling of 6490853281 in words is "six billion, four hundred ninety million, eight hundred fifty-three thousand, two hundred eighty-one".