6140424643 has 4 divisors (see below), whose sum is σ = 6232072840. Its totient is φ = 6048776448.

The previous prime is 6140424637. The next prime is 6140424677. The reversal of 6140424643 is 3464240416.

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 6140424643 - 2⁵ = 6140424611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6140424599 and 6140424608.

It is not an unprimeable number, because it can be changed into a prime (6140424613) 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, 45823998 + ... + 45824131.

It is an arithmetic number, because the mean of its divisors is an integer number (1558018210).

Almost surely, 2^6140424643 is an apocalyptic number.

6140424643 is a deficient number, since it is larger than the sum of its proper divisors (91648197).

6140424643 is an equidigital number, since it uses as much as digits as its factorization.

6140424643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91648196.

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 6140424643 is about 78360.8616785191. The cubic root of 6140424643 is about 1831.1874446624.

The spelling of 6140424643 in words is "six billion, one hundred forty million, four hundred twenty-four thousand, six hundred forty-three".