6462573121 has 4 divisors (see below), whose sum is σ = 6685420500. Its totient is φ = 6239725744.

The previous prime is 6462573107. The next prime is 6462573149. The reversal of 6462573121 is 1213752646.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1213752646 = 2 ⋅606876323.

It can be written as a sum of positive squares in 2 ways, for example, as 4430366721 + 2032206400 = 66561^2 + 45080^2 .

It is a cyclic number.

It is not a de Polignac number, because 6462573121 - 2¹⁵ = 6462540353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6462573101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111423646 + ... + 111423703.

It is an arithmetic number, because the mean of its divisors is an integer number (1671355125).

Almost surely, 2^6462573121 is an apocalyptic number.

It is an amenable number.

6462573121 is a deficient number, since it is larger than the sum of its proper divisors (222847379).

6462573121 is a wasteful number, since it uses less digits than its factorization.

6462573121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222847378.

The product of its digits is 60480, while the sum is 37.

The square root of 6462573121 is about 80390.1307437673. The cubic root of 6462573121 is about 1862.6667264286. Note that the first 3 decimals are identical.

The spelling of 6462573121 in words is "six billion, four hundred sixty-two million, five hundred seventy-three thousand, one hundred twenty-one".