6441762249 has 40 divisors (see below), whose sum is σ = 10538848320. Its totient is φ = 3896934624.

The previous prime is 6441762203. The next prime is 6441762251. The reversal of 6441762249 is 9422671446.

6441762249 is a `hidden beast` number, since 6 + 4 + 4 + 17 + 622 + 4 + 9 = 666.

It is not a de Polignac number, because 6441762249 - 2⁷ = 6441762121 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6441762749) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10284 + ... + 113970.

It is an arithmetic number, because the mean of its divisors is an integer number (263471208).

Almost surely, 2^6441762249 is an apocalyptic number.

It is an amenable number.

6441762249 is a deficient number, since it is larger than the sum of its proper divisors (4097086071).

6441762249 is a wasteful number, since it uses less digits than its factorization.

6441762249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103771 (or 103762 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 6441762249 is about 80260.5896377543. The cubic root of 6441762249 is about 1860.6651809214.

The spelling of 6441762249 in words is "six billion, four hundred forty-one million, seven hundred sixty-two thousand, two hundred forty-nine".