6252638427 has 80 divisors (see below), whose sum is σ = 11269843200. Its totient is φ = 3374861760.

The previous prime is 6252638401. The next prime is 6252638429. The reversal of 6252638427 is 7248362526.

6252638427 is a `hidden beast` number, since 6 + 2 + 5 + 2 + 638 + 4 + 2 + 7 = 666.

It is not a de Polignac number, because 6252638427 - 2⁶ = 6252638363 is a prime.

It is a super-3 number, since 3×6252638427³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (6252638429) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4965724 + ... + 4966982.

It is an arithmetic number, because the mean of its divisors is an integer number (140873040).

Almost surely, 2^6252638427 is an apocalyptic number.

6252638427 is a deficient number, since it is larger than the sum of its proper divisors (5017204773).

6252638427 is a wasteful number, since it uses less digits than its factorization.

6252638427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758 (or 1749 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 6252638427 is about 79073.6266210169. The cubic root of 6252638427 is about 1842.2749141396.

The spelling of 6252638427 in words is "six billion, two hundred fifty-two million, six hundred thirty-eight thousand, four hundred twenty-seven".