1279651285471 has 8 divisors (see below), whose sum is σ = 1379505257424. Its totient is φ = 1180000064640.

The previous prime is 1279651285463. The next prime is 1279651285529. The reversal of 1279651285471 is 1745821569721.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1279651285471 - 2³ = 1279651285463 is a prime.

It is a super-3 number, since 3×1279651285471³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1279651885471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50674666 + ... + 50699911.

It is an arithmetic number, because the mean of its divisors is an integer number (172438157178).

Almost surely, 2^{1279651285471} is an apocalyptic number.

1279651285471 is a deficient number, since it is larger than the sum of its proper divisors (99853971953).

1279651285471 is a wasteful number, since it uses less digits than its factorization.

1279651285471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101375561.

The product of its digits is 8467200, while the sum is 58.

The spelling of 1279651285471 in words is "one trillion, two hundred seventy-nine billion, six hundred fifty-one million, two hundred eighty-five thousand, four hundred seventy-one".