675821413 has 4 divisors (see below), whose sum is σ = 690200640. Its totient is φ = 661442188.

The previous prime is 675821387. The next prime is 675821467. The reversal of 675821413 is 314128576.

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 675821413 - 2¹³ = 675813221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675821513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7189543 + ... + 7189636.

It is an arithmetic number, because the mean of its divisors is an integer number (172550160).

Almost surely, 2^675821413 is an apocalyptic number.

It is an amenable number.

675821413 is a deficient number, since it is larger than the sum of its proper divisors (14379227).

675821413 is a wasteful number, since it uses less digits than its factorization.

675821413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14379226.

The product of its digits is 40320, while the sum is 37.

The square root of 675821413 is about 25996.5654077611. The cubic root of 675821413 is about 877.5610033266.

Adding to 675821413 its reverse (314128576), we get a palindrome (989949989).

The spelling of 675821413 in words is "six hundred seventy-five million, eight hundred twenty-one thousand, four hundred thirteen".