6899960773 has 2 divisors, whose sum is σ = 6899960774. Its totient is φ = 6899960772.

The previous prime is 6899960741. The next prime is 6899960777. The reversal of 6899960773 is 3770699986.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6898631364 + 1329409 = 83058^2 + 1153^2 .

It is a cyclic number.

It is not a de Polignac number, because 6899960773 - 2⁵ = 6899960741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6899960777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3449980386 + 3449980387.

It is an arithmetic number, because the mean of its divisors is an integer number (3449980387).

Almost surely, 2^6899960773 is an apocalyptic number.

It is an amenable number.

6899960773 is a deficient number, since it is larger than the sum of its proper divisors (1).

6899960773 is an equidigital number, since it uses as much as digits as its factorization.

6899960773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30862944, while the sum is 64.

The square root of 6899960773 is about 83066.0025100522. The cubic root of 6899960773 is about 1903.7746542507.

The spelling of 6899960773 in words is "six billion, eight hundred ninety-nine million, nine hundred sixty thousand, seven hundred seventy-three".