42821677571345 has 8 divisors (see below), whose sum is σ = 54090540090240. Its totient is φ = 32454324054000.

The previous prime is 42821677571311. The next prime is 42821677571369. The reversal of 42821677571345 is 54317577612824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42821677571345 - 2³⁸ = 42546799664401 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225377250281 + ... + 225377250470.

It is an arithmetic number, because the mean of its divisors is an integer number (6761317511280).

Almost surely, 2^{42821677571345} is an apocalyptic number.

It is an amenable number.

42821677571345 is a deficient number, since it is larger than the sum of its proper divisors (11268862518895).

42821677571345 is a wasteful number, since it uses less digits than its factorization.

42821677571345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450754500775.

The product of its digits is 79027200, while the sum is 62.

The spelling of 42821677571345 in words is "forty-two trillion, eight hundred twenty-one billion, six hundred seventy-seven million, five hundred seventy-one thousand, three hundred forty-five".