6426221152461 has 128 divisors (see below), whose sum is σ = 10260876165120. Its totient is φ = 3534192000000.

The previous prime is 6426221152441. The next prime is 6426221152487. The reversal of 6426221152461 is 1642511226246.

It is not a de Polignac number, because 6426221152461 - 2¹⁵ = 6426221119693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6426221152411) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 795221941 + ... + 795230021.

It is an arithmetic number, because the mean of its divisors is an integer number (80163095040).

Almost surely, 2^{6426221152461} is an apocalyptic number.

It is an amenable number.

6426221152461 is a deficient number, since it is larger than the sum of its proper divisors (3834655012659).

6426221152461 is a wasteful number, since it uses less digits than its factorization.

6426221152461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8559.

The product of its digits is 276480, while the sum is 42.

The spelling of 6426221152461 in words is "six trillion, four hundred twenty-six billion, two hundred twenty-one million, one hundred fifty-two thousand, four hundred sixty-one".