6279995144149 has 4 divisors (see below), whose sum is σ = 6282822699340. Its totient is φ = 6277167588960.

The previous prime is 6279995144063. The next prime is 6279995144231. The reversal of 6279995144149 is 9414415999726.

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 5501806521649 + 778188622500 = 2345593^2 + 882150^2 .

It is a cyclic number.

It is not a de Polignac number, because 6279995144149 - 2²⁹ = 6279458273237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6279995144249) 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, 1413774264 + ... + 1413778705.

It is an arithmetic number, because the mean of its divisors is an integer number (1570705674835).

Almost surely, 2^{6279995144149} is an apocalyptic number.

It is an amenable number.

6279995144149 is a deficient number, since it is larger than the sum of its proper divisors (2827555191).

6279995144149 is a wasteful number, since it uses less digits than its factorization.

6279995144149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827555190.

The product of its digits is 176359680, while the sum is 70.

The spelling of 6279995144149 in words is "six trillion, two hundred seventy-nine billion, nine hundred ninety-five million, one hundred forty-four thousand, one hundred forty-nine".