1469880978447 has 64 divisors (see below), whose sum is σ = 2307590553600. Its totient is φ = 814664563200.

The previous prime is 1469880978443. The next prime is 1469880978481. The reversal of 1469880978447 is 7448790889641.

It is not a de Polignac number, because 1469880978447 - 2² = 1469880978443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1469880978443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 455210829 + ... + 455214057.

It is an arithmetic number, because the mean of its divisors is an integer number (36056102400).

Almost surely, 2^{1469880978447} is an apocalyptic number.

1469880978447 is a deficient number, since it is larger than the sum of its proper divisors (837709575153).

1469880978447 is a wasteful number, since it uses less digits than its factorization.

1469880978447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4936.

The product of its (nonzero) digits is 780337152, while the sum is 75.

The spelling of 1469880978447 in words is "one trillion, four hundred sixty-nine billion, eight hundred eighty million, nine hundred seventy-eight thousand, four hundred forty-seven".