6461406011 has 4 divisors (see below), whose sum is σ = 6466026000. Its totient is φ = 6456786024.

The previous prime is 6461405989. The next prime is 6461406047. The reversal of 6461406011 is 1106041646.

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

It is a cyclic number.

It is not a de Polignac number, because 6461406011 - 2²² = 6457211707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6461406811) 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, 2307896 + ... + 2310693.

It is an arithmetic number, because the mean of its divisors is an integer number (1616506500).

Almost surely, 2^6461406011 is an apocalyptic number.

6461406011 is a deficient number, since it is larger than the sum of its proper divisors (4619989).

6461406011 is a wasteful number, since it uses less digits than its factorization.

6461406011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4619988.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 6461406011 is about 80382.8713781736. The cubic root of 6461406011 is about 1862.5545900910.

Adding to 6461406011 its reverse (1106041646), we get a palindrome (7567447657).

The spelling of 6461406011 in words is "six billion, four hundred sixty-one million, four hundred six thousand, eleven".