6413340261 has 16 divisors (see below), whose sum is σ = 8577676800. Its totient is φ = 4262301120.

The previous prime is 6413340191. The next prime is 6413340289. The reversal of 6413340261 is 1620433146.

It is not a de Polignac number, because 6413340261 - 2⁷ = 6413340133 is a prime.

It is a super-2 number, since 2×6413340261² = 82261866606727096242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6413340761) 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 15 ways as a sum of consecutive naturals, for example, 2672140 + ... + 2674538.

It is an arithmetic number, because the mean of its divisors is an integer number (536104800).

Almost surely, 2^6413340261 is an apocalyptic number.

It is an amenable number.

6413340261 is a deficient number, since it is larger than the sum of its proper divisors (2164336539).

6413340261 is a wasteful number, since it uses less digits than its factorization.

6413340261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4796.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 6413340261 is about 80083.3332285813. Note that the first 3 decimals coincide. The cubic root of 6413340261 is about 1857.9246383180.

The spelling of 6413340261 in words is "six billion, four hundred thirteen million, three hundred forty thousand, two hundred sixty-one".