6469145762 has 16 divisors (see below), whose sum is σ = 10468387512. Its totient is φ = 2986863360.

The previous prime is 6469145747. The next prime is 6469145777. The reversal of 6469145762 is 2675419646.

It is a Cunningham number, because it is equal to 80431²+1.

It is an interprime number because it is at equal distance from previous prime (6469145747) and next prime (6469145777).

It can be written as a sum of positive squares in 4 ways, for example, as 6469145761 + 1 = 80431^2 + 1^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6469145762.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1793189 + ... + 1796792.

Almost surely, 2^6469145762 is an apocalyptic number.

6469145762 is a deficient number, since it is larger than the sum of its proper divisors (3999241750).

6469145762 is a wasteful number, since it uses less digits than its factorization.

6469145762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3590053.

The product of its digits is 2177280, while the sum is 50.

The square root of 6469145762 is about 80431.0000062165. Note that the first 5 decimals coincide. The cubic root of 6469145762 is about 1863.2979761092.

The spelling of 6469145762 in words is "six billion, four hundred sixty-nine million, one hundred forty-five thousand, seven hundred sixty-two".