6920869693 has 2 divisors, whose sum is σ = 6920869694. Its totient is φ = 6920869692.

The previous prime is 6920869679. The next prime is 6920869723. The reversal of 6920869693 is 3969680296.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3587770404 + 3333099289 = 59898^2 + 57733^2 .

It is a cyclic number.

It is not a de Polignac number, because 6920869693 - 2¹³ = 6920861501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6920869603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3460434846 + 3460434847.

It is an arithmetic number, because the mean of its divisors is an integer number (3460434847).

Almost surely, 2^6920869693 is an apocalyptic number.

It is an amenable number.

6920869693 is a deficient number, since it is larger than the sum of its proper divisors (1).

6920869693 is an equidigital number, since it uses as much as digits as its factorization.

6920869693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7558272, while the sum is 58.

The square root of 6920869693 is about 83191.7645743856. The cubic root of 6920869693 is about 1905.6957150100.

The spelling of 6920869693 in words is "six billion, nine hundred twenty million, eight hundred sixty-nine thousand, six hundred ninety-three".