6959554549 has 2 divisors, whose sum is σ = 6959554550. Its totient is φ = 6959554548.

The previous prime is 6959554543. The next prime is 6959554577. The reversal of 6959554549 is 9454559596.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5460471025 + 1499083524 = 73895^2 + 38718^2 .

It is a cyclic number.

It is not a de Polignac number, because 6959554549 - 2³ = 6959554541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6959554541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3479777274 + 3479777275.

It is an arithmetic number, because the mean of its divisors is an integer number (3479777275).

Almost surely, 2^6959554549 is an apocalyptic number.

It is an amenable number.

6959554549 is a deficient number, since it is larger than the sum of its proper divisors (1).

6959554549 is an equidigital number, since it uses as much as digits as its factorization.

6959554549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43740000, while the sum is 61.

The square root of 6959554549 is about 83423.9446981501. The cubic root of 6959554549 is about 1909.2398086789.

The spelling of 6959554549 in words is "six billion, nine hundred fifty-nine million, five hundred fifty-four thousand, five hundred forty-nine".