6435371252 has 12 divisors (see below), whose sum is σ = 11265791460. Its totient is φ = 3216573696.

The previous prime is 6435371249. The next prime is 6435371263. The reversal of 6435371252 is 2521735346.

It can be written as a sum of positive squares in 2 ways, for example, as 5166159376 + 1269211876 = 71876^2 + 35626^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264893 + ... + 288164.

It is an arithmetic number, because the mean of its divisors is an integer number (938815955).

Almost surely, 2^6435371252 is an apocalyptic number.

It is an amenable number.

6435371252 is a deficient number, since it is larger than the sum of its proper divisors (4830420208).

6435371252 is a wasteful number, since it uses less digits than its factorization.

6435371252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555970 (or 555968 counting only the distinct ones).

The product of its digits is 151200, while the sum is 38.

The square root of 6435371252 is about 80220.7657156175. The cubic root of 6435371252 is about 1860.0496433353.

The spelling of 6435371252 in words is "six billion, four hundred thirty-five million, three hundred seventy-one thousand, two hundred fifty-two".