6143012421 has 32 divisors (see below), whose sum is σ = 10406043648. Its totient is φ = 3135741120.

The previous prime is 6143012389. The next prime is 6143012437. The reversal of 6143012421 is 1242103416.

It is not a de Polignac number, because 6143012421 - 2⁵ = 6143012389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6143012391 and 6143012400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6143012621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354471 + ... + 371396.

It is an arithmetic number, because the mean of its divisors is an integer number (325188864).

Almost surely, 2^6143012421 is an apocalyptic number.

It is an amenable number.

6143012421 is a deficient number, since it is larger than the sum of its proper divisors (4263031227).

6143012421 is a wasteful number, since it uses less digits than its factorization.

6143012421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725921.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 6143012421 is about 78377.3718684162. The cubic root of 6143012421 is about 1831.4446495156. Note that the first 3 decimals are identical.

Adding to 6143012421 its reverse (1242103416), we get a palindrome (7385115837).

The spelling of 6143012421 in words is "six billion, one hundred forty-three million, twelve thousand, four hundred twenty-one".