6490398273 has 8 divisors (see below), whose sum is σ = 8952273600. Its totient is φ = 4177727568.

The previous prime is 6490398263. The next prime is 6490398337. The reversal of 6490398273 is 3728930946.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6490398273 - 2²⁴ = 6473621057 is a prime.

It is a super-3 number, since 3×6490398273³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6490398263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37301053 + ... + 37301226.

It is an arithmetic number, because the mean of its divisors is an integer number (1119034200).

Almost surely, 2^6490398273 is an apocalyptic number.

It is an amenable number.

6490398273 is a deficient number, since it is larger than the sum of its proper divisors (2461875327).

6490398273 is a wasteful number, since it uses less digits than its factorization.

6490398273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74602311.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The square root of 6490398273 is about 80563.0080930448. The cubic root of 6490398273 is about 1865.3361882953.

The spelling of 6490398273 in words is "six billion, four hundred ninety million, three hundred ninety-eight thousand, two hundred seventy-three".