6513230769 has 16 divisors (see below), whose sum is σ = 8889230592. Its totient is φ = 4239759888.

The previous prime is 6513230753. The next prime is 6513230771. The reversal of 6513230769 is 9670323156.

It is not a de Polignac number, because 6513230769 - 2⁴ = 6513230753 is a prime.

It is a super-2 number, since 2×6513230769² = 84844350100496662722, which contains 22 as substring.

6513230769 is a modest number, since divided by 230769 gives 6513 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 6513230769.

It is not an unprimeable number, because it can be changed into a prime (6513230729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497542 + ... + 510464.

It is an arithmetic number, because the mean of its divisors is an integer number (555576912).

Almost surely, 2^6513230769 is an apocalyptic number.

It is an amenable number.

6513230769 is a deficient number, since it is larger than the sum of its proper divisors (2375999823).

6513230769 is a wasteful number, since it uses less digits than its factorization.

6513230769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16876.

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 6513230769 is about 80704.5895163342. The cubic root of 6513230769 is about 1867.5209764511.

The spelling of 6513230769 in words is "six billion, five hundred thirteen million, two hundred thirty thousand, seven hundred sixty-nine".