6243616461 has 4 divisors (see below), whose sum is σ = 8324821952. Its totient is φ = 4162410972.

The previous prime is 6243616447. The next prime is 6243616507. The reversal of 6243616461 is 1646163426.

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 not a de Polignac number, because 6243616461 - 2¹³ = 6243608269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6243616661) 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, 1040602741 + ... + 1040602746.

It is an arithmetic number, because the mean of its divisors is an integer number (2081205488).

Almost surely, 2^6243616461 is an apocalyptic number.

It is an amenable number.

6243616461 is a deficient number, since it is larger than the sum of its proper divisors (2081205491).

6243616461 is a wasteful number, since it uses less digits than its factorization.

6243616461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081205490.

The product of its digits is 124416, while the sum is 39.

The square root of 6243616461 is about 79016.5581444801. The cubic root of 6243616461 is about 1841.3884114578.

Adding to 6243616461 its reverse (1646163426), we get a palindrome (7889779887).

The spelling of 6243616461 in words is "six billion, two hundred forty-three million, six hundred sixteen thousand, four hundred sixty-one".