1279053877249 has 16 divisors (see below), whose sum is σ = 1289031811200. Its totient is φ = 1269108158976.

The previous prime is 1279053877247. The next prime is 1279053877303. The reversal of 1279053877249 is 9427783509721.

It is not a de Polignac number, because 1279053877249 - 2¹ = 1279053877247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1279053877247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309771217 + ... + 309775345.

It is an arithmetic number, because the mean of its divisors is an integer number (80564488200).

Almost surely, 2^{1279053877249} is an apocalyptic number.

It is an amenable number.

1279053877249 is a deficient number, since it is larger than the sum of its proper divisors (9977933951).

1279053877249 is a wasteful number, since it uses less digits than its factorization.

1279053877249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7464.

The product of its (nonzero) digits is 53343360, while the sum is 64.

The spelling of 1279053877249 in words is "one trillion, two hundred seventy-nine billion, fifty-three million, eight hundred seventy-seven thousand, two hundred forty-nine".