6352661961 has 12 divisors (see below), whose sum is σ = 9492483780. Its totient is φ = 4089069600.

The previous prime is 6352661941. The next prime is 6352661969. The reversal of 6352661961 is 1691662536.

6352661961 is a `hidden beast` number, since 6 + 3 + 5 + 26 + 619 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2251028025 + 4101633936 = 47445^2 + 64044^2 .

It is not a de Polignac number, because 6352661961 - 2⁵ = 6352661929 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6352661969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12169590 + ... + 12170111.

It is an arithmetic number, because the mean of its divisors is an integer number (791040315).

Almost surely, 2^6352661961 is an apocalyptic number.

It is an amenable number.

6352661961 is a deficient number, since it is larger than the sum of its proper divisors (3139821819).

6352661961 is a wasteful number, since it uses less digits than its factorization.

6352661961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24339736 (or 24339733 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 6352661961 is about 79703.5881312755. The cubic root of 6352661961 is about 1852.0466233576.

The spelling of 6352661961 in words is "six billion, three hundred fifty-two million, six hundred sixty-one thousand, nine hundred sixty-one".