6494548253 has 4 divisors (see below), whose sum is σ = 6521496828. Its totient is φ = 6467599680.

The previous prime is 6494548243. The next prime is 6494548273. The reversal of 6494548253 is 3528454946.

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 4382042809 + 2112505444 = 66197^2 + 45962^2 .

It is a cyclic number.

It is not a de Polignac number, because 6494548253 - 2⁶ = 6494548189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6494548223) 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, 13473926 + ... + 13474407.

It is an arithmetic number, because the mean of its divisors is an integer number (1630374207).

Almost surely, 2^6494548253 is an apocalyptic number.

It is an amenable number.

6494548253 is a deficient number, since it is larger than the sum of its proper divisors (26948575).

6494548253 is a wasteful number, since it uses less digits than its factorization.

6494548253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26948574.

The product of its digits is 4147200, while the sum is 50.

The square root of 6494548253 is about 80588.7600909705. The cubic root of 6494548253 is about 1865.7336707630.

The spelling of 6494548253 in words is "six billion, four hundred ninety-four million, five hundred forty-eight thousand, two hundred fifty-three".