6537897419 has 4 divisors (see below), whose sum is σ = 6538059144. Its totient is φ = 6537735696.

The previous prime is 6537897409. The next prime is 6537897449. The reversal of 6537897419 is 9147987356.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6537897419 - 2⁴ = 6537897403 is a prime.

It is a super-2 number, since 2×6537897419² = 85488205322733723122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6537897409) 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, 39119 + ... + 120855.

It is an arithmetic number, because the mean of its divisors is an integer number (1634514786).

Almost surely, 2^6537897419 is an apocalyptic number.

6537897419 is a deficient number, since it is larger than the sum of its proper divisors (161725).

6537897419 is an equidigital number, since it uses as much as digits as its factorization.

6537897419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161724.

The product of its digits is 11430720, while the sum is 59.

The square root of 6537897419 is about 80857.2657155806. The cubic root of 6537897419 is about 1869.8755404408.

The spelling of 6537897419 in words is "six billion, five hundred thirty-seven million, eight hundred ninety-seven thousand, four hundred nineteen".