6905397145 has 16 divisors (see below), whose sum is σ = 8732658240. Its totient is φ = 5227533504.

The previous prime is 6905397139. The next prime is 6905397151. The reversal of 6905397145 is 5417935096.

It is an interprime number because it is at equal distance from previous prime (6905397139) and next prime (6905397151).

It is a cyclic number.

It is not a de Polignac number, because 6905397145 - 2⁷ = 6905397017 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41874 + ... + 124756.

It is an arithmetic number, because the mean of its divisors is an integer number (545791140).

Almost surely, 2^6905397145 is an apocalyptic number.

It is an amenable number.

6905397145 is a deficient number, since it is larger than the sum of its proper divisors (1827261095).

6905397145 is a wasteful number, since it uses less digits than its factorization.

6905397145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83784.

The product of its (nonzero) digits is 1020600, while the sum is 49.

The square root of 6905397145 is about 83098.7192741260. The cubic root of 6905397145 is about 1904.2745078320.

The spelling of 6905397145 in words is "six billion, nine hundred five million, three hundred ninety-seven thousand, one hundred forty-five".