6493878262 has 4 divisors (see below), whose sum is σ = 9740817396. Its totient is φ = 3246939130.

The previous prime is 6493878241. The next prime is 6493878329. The reversal of 6493878262 is 2628783946.

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

It is a super-2 number, since 2×6493878262² = 84340909763352281288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1623469564 + ... + 1623469567.

It is an arithmetic number, because the mean of its divisors is an integer number (2435204349).

Almost surely, 2^6493878262 is an apocalyptic number.

6493878262 is a deficient number, since it is larger than the sum of its proper divisors (3246939134).

6493878262 is a wasteful number, since it uses less digits than its factorization.

6493878262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246939133.

The product of its digits is 6967296, while the sum is 55.

The square root of 6493878262 is about 80584.6031323602. The cubic root of 6493878262 is about 1865.6695109114.

The spelling of 6493878262 in words is "six billion, four hundred ninety-three million, eight hundred seventy-eight thousand, two hundred sixty-two".