6340605427 has 8 divisors (see below), whose sum is σ = 6834550464. Its totient is φ = 5847547008.

The previous prime is 6340605419. The next prime is 6340605449. The reversal of 6340605427 is 7245060436.

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 6340605427 - 2³ = 6340605419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6340605407) 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, 206758 + ... + 235435.

It is an arithmetic number, because the mean of its divisors is an integer number (854318808).

Almost surely, 2^6340605427 is an apocalyptic number.

6340605427 is a deficient number, since it is larger than the sum of its proper divisors (493945037).

6340605427 is a wasteful number, since it uses less digits than its factorization.

6340605427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443309.

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 6340605427 is about 79627.9186403864. The cubic root of 6340605427 is about 1850.8742327306.

The spelling of 6340605427 in words is "six billion, three hundred forty million, six hundred five thousand, four hundred twenty-seven".