6466301249 has 4 divisors (see below), whose sum is σ = 6473641860. Its totient is φ = 6458960640.

The previous prime is 6466301239. The next prime is 6466301251. The reversal of 6466301249 is 9421036646.

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 4087300624 + 2379000625 = 63932^2 + 48775^2 .

It is a cyclic number.

It is not a de Polignac number, because 6466301249 - 2⁸ = 6466300993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6466301209) 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, 3668984 + ... + 3670745.

It is an arithmetic number, because the mean of its divisors is an integer number (1618410465).

Almost surely, 2^6466301249 is an apocalyptic number.

It is an amenable number.

6466301249 is a deficient number, since it is larger than the sum of its proper divisors (7340611).

6466301249 is an equidigital number, since it uses as much as digits as its factorization.

6466301249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7340610.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 6466301249 is about 80413.3151225591. The cubic root of 6466301249 is about 1863.0248358555.

The spelling of 6466301249 in words is "six billion, four hundred sixty-six million, three hundred one thousand, two hundred forty-nine".