6494253433 has 4 divisors (see below), whose sum is σ = 6494712228. Its totient is φ = 6493794640.

The previous prime is 6494253427. The next prime is 6494253443. The reversal of 6494253433 is 3343524946.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2538849769 + 3955403664 = 50387^2 + 62892^2 .

It is a cyclic number.

It is not a de Polignac number, because 6494253433 - 2²⁹ = 5957382521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6494253433.

It is not an unprimeable number, because it can be changed into a prime (6494253413) 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, 207466 + ... + 236707.

It is an arithmetic number, because the mean of its divisors is an integer number (1623678057).

Almost surely, 2^6494253433 is an apocalyptic number.

It is an amenable number.

6494253433 is a deficient number, since it is larger than the sum of its proper divisors (458795).

6494253433 is a wasteful number, since it uses less digits than its factorization.

6494253433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458794.

The product of its digits is 933120, while the sum is 43.

The square root of 6494253433 is about 80586.9309069405. The cubic root of 6494253433 is about 1865.7054386775.

The spelling of 6494253433 in words is "six billion, four hundred ninety-four million, two hundred fifty-three thousand, four hundred thirty-three".