6260821491 has 4 divisors (see below), whose sum is σ = 8347761992. Its totient is φ = 4173880992.

The previous prime is 6260821451. The next prime is 6260821517. The reversal of 6260821491 is 1941280626.

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

It is not a de Polignac number, because 6260821491 - 2¹⁴ = 6260805107 is a prime.

It is a super-3 number, since 3×6260821491³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6260821451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043470246 + ... + 1043470251.

It is an arithmetic number, because the mean of its divisors is an integer number (2086940498).

Almost surely, 2^6260821491 is an apocalyptic number.

6260821491 is a deficient number, since it is larger than the sum of its proper divisors (2086940501).

6260821491 is a wasteful number, since it uses less digits than its factorization.

6260821491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086940500.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 6260821491 is about 79125.3530229092. The cubic root of 6260821491 is about 1843.0782487040.

The spelling of 6260821491 in words is "six billion, two hundred sixty million, eight hundred twenty-one thousand, four hundred ninety-one".