6412854421 has 4 divisors (see below), whose sum is σ = 6517983244. Its totient is φ = 6307725600.

The previous prime is 6412854391. The next prime is 6412854431. The reversal of 6412854421 is 1244582146.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3515185521 + 2897668900 = 59289^2 + 53830^2 .

It is a cyclic number.

It is not a de Polignac number, because 6412854421 - 2⁵ = 6412854389 is a prime.

It is a super-2 number, since 2×6412854421² = 82249403649878490482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6412854431) 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, 52564320 + ... + 52564441.

It is an arithmetic number, because the mean of its divisors is an integer number (1629495811).

Almost surely, 2^6412854421 is an apocalyptic number.

6412854421 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6412854421 is a deficient number, since it is larger than the sum of its proper divisors (105128823).

6412854421 is a wasteful number, since it uses less digits than its factorization.

6412854421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105128822.

The product of its digits is 61440, while the sum is 37.

The square root of 6412854421 is about 80080.2998308573. The cubic root of 6412854421 is about 1857.8777216899.

The spelling of 6412854421 in words is "six billion, four hundred twelve million, eight hundred fifty-four thousand, four hundred twenty-one".