6469145791 has 2 divisors, whose sum is σ = 6469145792. Its totient is φ = 6469145790.

The previous prime is 6469145777. The next prime is 6469145827. The reversal of 6469145791 is 1975419646.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6469145791 - 2¹¹ = 6469143743 is a prime.

It is a super-3 number, since 3×6469145791³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6469145591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3234572895 + 3234572896.

It is an arithmetic number, because the mean of its divisors is an integer number (3234572896).

Almost surely, 2^6469145791 is an apocalyptic number.

6469145791 is a deficient number, since it is larger than the sum of its proper divisors (1).

6469145791 is an equidigital number, since it uses as much as digits as its factorization.

6469145791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 52.

The square root of 6469145791 is about 80431.0001864953. Note that the first 3 decimals coincide. The cubic root of 6469145791 is about 1863.2979788935.

The spelling of 6469145791 in words is "six billion, four hundred sixty-nine million, one hundred forty-five thousand, seven hundred ninety-one".