2671364319545 has 4 divisors (see below), whose sum is σ = 3205637183460. Its totient is φ = 2137091455632.

The previous prime is 2671364319529. The next prime is 2671364319563. The reversal of 2671364319545 is 5459134631762.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 391759572649 + 2279604746896 = 625907^2 + 1509836^2 .

It is a cyclic number.

It is not a de Polignac number, because 2671364319545 - 2⁴ = 2671364319529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267136431950 + ... + 267136431959.

It is an arithmetic number, because the mean of its divisors is an integer number (801409295865).

Almost surely, 2^{2671364319545} is an apocalyptic number.

It is an amenable number.

2671364319545 is a deficient number, since it is larger than the sum of its proper divisors (534272863915).

2671364319545 is an equidigital number, since it uses as much as digits as its factorization.

2671364319545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534272863914.

The product of its digits is 16329600, while the sum is 56.

The spelling of 2671364319545 in words is "two trillion, six hundred seventy-one billion, three hundred sixty-four million, three hundred nineteen thousand, five hundred forty-five".