6490107245 has 4 divisors (see below), whose sum is σ = 7788128700. Its totient is φ = 5192085792.

The previous prime is 6490107223. The next prime is 6490107257. The reversal of 6490107245 is 5427010946.

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 3833838724 + 2656268521 = 61918^2 + 51539^2 .

It is a cyclic number.

It is not a de Polignac number, because 6490107245 - 2¹⁰ = 6490106221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6490107199 and 6490107208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649010720 + ... + 649010729.

It is an arithmetic number, because the mean of its divisors is an integer number (1947032175).

Almost surely, 2^6490107245 is an apocalyptic number.

It is an amenable number.

6490107245 is a deficient number, since it is larger than the sum of its proper divisors (1298021455).

6490107245 is a wasteful number, since it uses less digits than its factorization.

6490107245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298021454.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 6490107245 is about 80561.2018592076. The cubic root of 6490107245 is about 1865.3083074601.

The spelling of 6490107245 in words is "six billion, four hundred ninety million, one hundred seven thousand, two hundred forty-five".