6340422251 has 8 divisors (see below), whose sum is σ = 6361647600. Its totient is φ = 6319215072.

The previous prime is 6340422239. The next prime is 6340422269. The reversal of 6340422251 is 1522240436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6340422251 - 2¹⁸ = 6340160107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6340422271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1188476 + ... + 1193798.

It is an arithmetic number, because the mean of its divisors is an integer number (795205950).

Almost surely, 2^6340422251 is an apocalyptic number.

6340422251 is a deficient number, since it is larger than the sum of its proper divisors (21225349).

6340422251 is a wasteful number, since it uses less digits than its factorization.

6340422251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9085.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 6340422251 is about 79626.7684324813. The cubic root of 6340422251 is about 1850.8564090382.

Adding to 6340422251 its reverse (1522240436), we get a palindrome (7862662687).

The spelling of 6340422251 in words is "six billion, three hundred forty million, four hundred twenty-two thousand, two hundred fifty-one".