6426461511 has 20 divisors (see below), whose sum is σ = 9602180544. Its totient is φ = 4283344800.

The previous prime is 6426461507. The next prime is 6426461549. The reversal of 6426461511 is 1151646246.

6426461511 is a `hidden beast` number, since 6 + 4 + 2 + 646 + 1 + 5 + 1 + 1 = 666.

6426461511 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6426461511 - 2² = 6426461507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6426466511) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 685546 + ... + 694856.

Almost surely, 2^6426461511 is an apocalyptic number.

6426461511 is a deficient number, since it is larger than the sum of its proper divisors (3175719033).

6426461511 is an equidigital number, since it uses as much as digits as its factorization.

6426461511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17844 (or 17835 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 6426461511 is about 80165.2138461565. The cubic root of 6426461511 is about 1859.1908369034.

The spelling of 6426461511 in words is "six billion, four hundred twenty-six million, four hundred sixty-one thousand, five hundred eleven".