6397444027 has 8 divisors (see below), whose sum is σ = 6897550464. Its totient is φ = 5898479808.

The previous prime is 6397443989. The next prime is 6397444033. The reversal of 6397444027 is 7204447936.

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

It is not a de Polignac number, because 6397444027 - 2²³ = 6389055419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6397444127) 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, 273898 + ... + 296335.

It is an arithmetic number, because the mean of its divisors is an integer number (862193808).

Almost surely, 2^6397444027 is an apocalyptic number.

6397444027 is a deficient number, since it is larger than the sum of its proper divisors (500106437).

6397444027 is a wasteful number, since it uses less digits than its factorization.

6397444027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571109.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The square root of 6397444027 is about 79984.0235734612. The cubic root of 6397444027 is about 1856.3883385402.

The spelling of 6397444027 in words is "six billion, three hundred ninety-seven million, four hundred forty-four thousand, twenty-seven".