6495803623 has 4 divisors (see below), whose sum is σ = 6496070728. Its totient is φ = 6495536520.

The previous prime is 6495803621. The next prime is 6495803663. The reversal of 6495803623 is 3263085946.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6495803623 - 2¹ = 6495803621 is a prime.

It is a super-2 number, since 2×6495803623² = 84390929417159852258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6495803621) 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, 92961 + ... + 147082.

It is an arithmetic number, because the mean of its divisors is an integer number (1624017682).

Almost surely, 2^6495803623 is an apocalyptic number.

6495803623 is a deficient number, since it is larger than the sum of its proper divisors (267105).

6495803623 is a wasteful number, since it uses less digits than its factorization.

6495803623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267104.

The product of its (nonzero) digits is 933120, while the sum is 46.

The square root of 6495803623 is about 80596.5484558737. The cubic root of 6495803623 is about 1865.8538759511.

The spelling of 6495803623 in words is "six billion, four hundred ninety-five million, eight hundred three thousand, six hundred twenty-three".