6465631033 has 4 divisors (see below), whose sum is σ = 6674199808. Its totient is φ = 6257062260.

The previous prime is 6465631021. The next prime is 6465631069. The reversal of 6465631033 is 3301365646.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6465631033 - 2⁵ = 6465631001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6465630983 and 6465631001.

It is not an unprimeable number, because it can be changed into a prime (6465631633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104284341 + ... + 104284402.

It is an arithmetic number, because the mean of its divisors is an integer number (1668549952).

Almost surely, 2^6465631033 is an apocalyptic number.

It is an amenable number.

6465631033 is a deficient number, since it is larger than the sum of its proper divisors (208568775).

6465631033 is a wasteful number, since it uses less digits than its factorization.

6465631033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208568774.

The product of its (nonzero) digits is 116640, while the sum is 37.

The square root of 6465631033 is about 80409.1476947741. The cubic root of 6465631033 is about 1862.9604676721.

Adding to 6465631033 its reverse (3301365646), we get a palindrome (9766996679).

The spelling of 6465631033 in words is "six billion, four hundred sixty-five million, six hundred thirty-one thousand, thirty-three".