6490297293 has 4 divisors (see below), whose sum is σ = 8653729728. Its totient is φ = 4326864860.

The previous prime is 6490297277. The next prime is 6490297357. The reversal of 6490297293 is 3927920946.

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 6490297293 - 2⁴ = 6490297277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6490297193) 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, 1081716213 + ... + 1081716218.

It is an arithmetic number, because the mean of its divisors is an integer number (2163432432).

Almost surely, 2^6490297293 is an apocalyptic number.

It is an amenable number.

6490297293 is a deficient number, since it is larger than the sum of its proper divisors (2163432435).

6490297293 is a wasteful number, since it uses less digits than its factorization.

6490297293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163432434.

The product of its (nonzero) digits is 1469664, while the sum is 51.

The square root of 6490297293 is about 80562.3813761733. The cubic root of 6490297293 is about 1865.3265143833.

The spelling of 6490297293 in words is "six billion, four hundred ninety million, two hundred ninety-seven thousand, two hundred ninety-three".