131463406895449 has 4 divisors (see below), whose sum is σ = 133691600232720. Its totient is φ = 129235213558180.

The previous prime is 131463406895417. The next prime is 131463406895453. The reversal of 131463406895449 is 944598604364131.

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 131463406895449 - 2⁵ = 131463406895417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131463406896449) 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, 1114096668547 + ... + 1114096668664.

It is an arithmetic number, because the mean of its divisors is an integer number (33422900058180).

Almost surely, 2^{131463406895449} is an apocalyptic number.

It is an amenable number.

131463406895449 is a deficient number, since it is larger than the sum of its proper divisors (2228193337271).

131463406895449 is an equidigital number, since it uses as much as digits as its factorization.

131463406895449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228193337270.

The product of its (nonzero) digits is 268738560, while the sum is 67.

The spelling of 131463406895449 in words is "one hundred thirty-one trillion, four hundred sixty-three billion, four hundred six million, eight hundred ninety-five thousand, four hundred forty-nine".