6845414551 has 2 divisors, whose sum is σ = 6845414552. Its totient is φ = 6845414550.

The previous prime is 6845414549. The next prime is 6845414557. The reversal of 6845414551 is 1554145486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6845414551 - 2¹ = 6845414549 is a prime.

Together with 6845414549, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 6845414498 and 6845414507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6845414557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3422707275 + 3422707276.

It is an arithmetic number, because the mean of its divisors is an integer number (3422707276).

Almost surely, 2^6845414551 is an apocalyptic number.

6845414551 is a deficient number, since it is larger than the sum of its proper divisors (1).

6845414551 is an equidigital number, since it uses as much as digits as its factorization.

6845414551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384000, while the sum is 43.

The square root of 6845414551 is about 82737.0204382536. The cubic root of 6845414551 is about 1898.7447434593.

The spelling of 6845414551 in words is "six billion, eight hundred forty-five million, four hundred fourteen thousand, five hundred fifty-one".