6397713049 has 32 divisors (see below), whose sum is σ = 7935943680. Its totient is φ = 5022369792.

The previous prime is 6397713019. The next prime is 6397713059. The reversal of 6397713049 is 9403177936.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6397713049 - 2⁵ = 6397713017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6397712993 and 6397713011.

It is not an unprimeable number, because it can be changed into a prime (6397713019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8897712 + ... + 8898430.

It is an arithmetic number, because the mean of its divisors is an integer number (247998240).

Almost surely, 2^6397713049 is an apocalyptic number.

It is an amenable number.

6397713049 is a deficient number, since it is larger than the sum of its proper divisors (1538230631).

6397713049 is a wasteful number, since it uses less digits than its factorization.

6397713049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369.

The product of its (nonzero) digits is 857304, while the sum is 49.

The square root of 6397713049 is about 79985.7052791310. The cubic root of 6397713049 is about 1856.4143594689.

The spelling of 6397713049 in words is "six billion, three hundred ninety-seven million, seven hundred thirteen thousand, forty-nine".