6279997462609 has 4 divisors (see below), whose sum is σ = 6763074190516. Its totient is φ = 5796920734704.

The previous prime is 6279997462603. The next prime is 6279997462631. The reversal of 6279997462609 is 9062647999726.

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 2451432147025 + 3828565315584 = 1565705^2 + 1956672^2 .

It is a cyclic number.

It is not a de Polignac number, because 6279997462609 - 2¹⁹ = 6279996938321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6279997462603) 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, 241538363934 + ... + 241538363959.

It is an arithmetic number, because the mean of its divisors is an integer number (1690768547629).

Almost surely, 2^{6279997462609} is an apocalyptic number.

It is an amenable number.

6279997462609 is a deficient number, since it is larger than the sum of its proper divisors (483076727907).

6279997462609 is a wasteful number, since it uses less digits than its factorization.

6279997462609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483076727906.

The product of its (nonzero) digits is 1111065984, while the sum is 76.

The spelling of 6279997462609 in words is "six trillion, two hundred seventy-nine billion, nine hundred ninety-seven million, four hundred sixty-two thousand, six hundred nine".