6410252641 has 12 divisors (see below), whose sum is σ = 6943550700. Its totient is φ = 5915220480.

The previous prime is 6410252609. The next prime is 6410252657. The reversal of 6410252641 is 1462520146.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1310150416 + 5100102225 = 36196^2 + 71415^2 .

It is not a de Polignac number, because 6410252641 - 2⁵ = 6410252609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6410252041) 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, 917401 + ... + 924361.

It is an arithmetic number, because the mean of its divisors is an integer number (578629225).

Almost surely, 2^6410252641 is an apocalyptic number.

It is an amenable number.

6410252641 is a deficient number, since it is larger than the sum of its proper divisors (533298059).

6410252641 is a wasteful number, since it uses less digits than its factorization.

6410252641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12436 (or 12423 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 6410252641 is about 80064.0533635414. The cubic root of 6410252641 is about 1857.6264325010.

Adding to 6410252641 its reverse (1462520146), we get a palindrome (7872772787).

The spelling of 6410252641 in words is "six billion, four hundred ten million, two hundred fifty-two thousand, six hundred forty-one".