6641244951 has 32 divisors (see below), whose sum is σ = 9908490240. Its totient is φ = 3921909600.

The previous prime is 6641244949. The next prime is 6641244983. The reversal of 6641244951 is 1594421466.

It is not a de Polignac number, because 6641244951 - 2¹ = 6641244949 is a prime.

It is a super-2 number, since 2×6641244951² = 88212268998365984802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6641244851) 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 31 ways as a sum of consecutive naturals, for example, 606160 + ... + 617018.

It is an arithmetic number, because the mean of its divisors is an integer number (309640320).

Almost surely, 2^6641244951 is an apocalyptic number.

6641244951 is a deficient number, since it is larger than the sum of its proper divisors (3267245289).

6641244951 is a wasteful number, since it uses less digits than its factorization.

6641244951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11347.

The product of its digits is 207360, while the sum is 42.

The square root of 6641244951 is about 81493.8338219524. The cubic root of 6641244951 is about 1879.6767354812.

The spelling of 6641244951 in words is "six billion, six hundred forty-one million, two hundred forty-four thousand, nine hundred fifty-one".