6419249937 has 18 divisors (see below), whose sum is σ = 9293876982. Its totient is φ = 4269540864.

The previous prime is 6419249927. The next prime is 6419249971. The reversal of 6419249937 is 7399429146.

6419249937 is a `hidden beast` number, since 64 + 1 + 92 + 499 + 3 + 7 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 4486856256 + 1932393681 = 66984^2 + 43959^2 .

It is not a de Polignac number, because 6419249937 - 2²⁴ = 6402472721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6419249927) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2330353 + ... + 2333105.

It is an arithmetic number, because the mean of its divisors is an integer number (516326499).

Almost surely, 2^6419249937 is an apocalyptic number.

It is an amenable number.

6419249937 is a deficient number, since it is larger than the sum of its proper divisors (2874627045).

6419249937 is an equidigital number, since it uses as much as digits as its factorization.

6419249937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777 (or 3265 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 6419249937 is about 80120.2217732827. The cubic root of 6419249937 is about 1858.4951346813.

The spelling of 6419249937 in words is "six billion, four hundred nineteen million, two hundred forty-nine thousand, nine hundred thirty-seven".