6954677909 has 2 divisors, whose sum is σ = 6954677910. Its totient is φ = 6954677908.

The previous prime is 6954677887. The next prime is 6954677911. The reversal of 6954677909 is 9097764596.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6939389809 + 15288100 = 83303^2 + 3910^2 .

It is a cyclic number.

It is not a de Polignac number, because 6954677909 - 2²⁴ = 6937900693 is a prime.

It is a super-2 number, since 2×6954677909² = 96735089635865224562, which contains 22 as substring.

Together with 6954677911, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6954677929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3477338954 + 3477338955.

It is an arithmetic number, because the mean of its divisors is an integer number (3477338955).

Almost surely, 2^6954677909 is an apocalyptic number.

It is an amenable number.

6954677909 is a deficient number, since it is larger than the sum of its proper divisors (1).

6954677909 is an equidigital number, since it uses as much as digits as its factorization.

6954677909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25719120, while the sum is 62.

The square root of 6954677909 is about 83394.7115169781. The cubic root of 6954677909 is about 1908.7937623742.

The spelling of 6954677909 in words is "six billion, nine hundred fifty-four million, six hundred seventy-seven thousand, nine hundred nine".