6435264361 has 4 divisors (see below), whose sum is σ = 6444827092. Its totient is φ = 6425701632.

The previous prime is 6435264359. The next prime is 6435264377. The reversal of 6435264361 is 1634625346.

It is a happy number.

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 2137675225 + 4297589136 = 46235^2 + 65556^2 .

It is a cyclic number.

It is not a de Polignac number, because 6435264361 - 2¹ = 6435264359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6435268361) 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, 4780356 + ... + 4781701.

It is an arithmetic number, because the mean of its divisors is an integer number (1611206773).

Almost surely, 2^6435264361 is an apocalyptic number.

It is an amenable number.

6435264361 is a deficient number, since it is larger than the sum of its proper divisors (9562731).

6435264361 is an equidigital number, since it uses as much as digits as its factorization.

6435264361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9562730.

The product of its digits is 311040, while the sum is 40.

The square root of 6435264361 is about 80220.0994826110. The cubic root of 6435264361 is about 1860.0393448532.

The spelling of 6435264361 in words is "six billion, four hundred thirty-five million, two hundred sixty-four thousand, three hundred sixty-one".