675801389 has 4 divisors (see below), whose sum is σ = 675924924. Its totient is φ = 675677856.

The previous prime is 675801383. The next prime is 675801421. The reversal of 675801389 is 983108576.

It is a happy number.

675801389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 215355625 + 460445764 = 14675^2 + 21458^2 .

It is a cyclic number.

It is not a de Polignac number, because 675801389 - 2²⁴ = 659024173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675801383) 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, 53162 + ... + 64635.

It is an arithmetic number, because the mean of its divisors is an integer number (168981231).

Almost surely, 2^675801389 is an apocalyptic number.

It is an amenable number.

675801389 is a deficient number, since it is larger than the sum of its proper divisors (123535).

675801389 is a wasteful number, since it uses less digits than its factorization.

675801389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123534.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 675801389 is about 25996.1802771099. The cubic root of 675801389 is about 877.5523361182.

The spelling of 675801389 in words is "six hundred seventy-five million, eight hundred one thousand, three hundred eighty-nine".