6461272743 has 16 divisors (see below), whose sum is σ = 8907426816. Its totient is φ = 4161769920.

The previous prime is 6461272733. The next prime is 6461272747. The reversal of 6461272743 is 3472721646.

It is not a de Polignac number, because 6461272743 - 2²⁹ = 5924401831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6461272695 and 6461272704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6461272747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1080 + ... + 113682.

It is an arithmetic number, because the mean of its divisors is an integer number (556714176).

Almost surely, 2^6461272743 is an apocalyptic number.

6461272743 is a deficient number, since it is larger than the sum of its proper divisors (2446154073).

6461272743 is a wasteful number, since it uses less digits than its factorization.

6461272743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113254.

The product of its digits is 338688, while the sum is 42.

The square root of 6461272743 is about 80382.0424162014. The cubic root of 6461272743 is about 1862.5417847959.

The spelling of 6461272743 in words is "six billion, four hundred sixty-one million, two hundred seventy-two thousand, seven hundred forty-three".