6537897413 has 4 divisors (see below), whose sum is σ = 6560999808. Its totient is φ = 6514795020.

The previous prime is 6537897409. The next prime is 6537897449. The reversal of 6537897413 is 3147987356.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6537897413 - 2² = 6537897409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6537897403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11550773 + ... + 11551338.

It is an arithmetic number, because the mean of its divisors is an integer number (1640249952).

Almost surely, 2^6537897413 is an apocalyptic number.

It is an amenable number.

6537897413 is a deficient number, since it is larger than the sum of its proper divisors (23102395).

6537897413 is a wasteful number, since it uses less digits than its factorization.

6537897413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23102394.

The product of its digits is 3810240, while the sum is 53.

The square root of 6537897413 is about 80857.2656784781. The cubic root of 6537897413 is about 1869.8755398688.

The spelling of 6537897413 in words is "six billion, five hundred thirty-seven million, eight hundred ninety-seven thousand, four hundred thirteen".