1420704276489 has 15 divisors (see below), whose sum is σ = 2122302660247. Its totient is φ = 947129032728.

The previous prime is 1420704276469. The next prime is 1420704276533. The reversal of 1420704276489 is 9846724070241.

The square root of 1420704276489 is 1191933.

It is a perfect power (a square), and thus also a powerful number.

1420704276489 is a `hidden beast` number, since 1 + 4 + 20 + 70 + 4 + 2 + 76 + 489 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1331358284025 + 89345992464 = 1153845^2 + 298908^2 .

It is not a de Polignac number, because 1420704276489 - 2⁵ = 1420704276457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420704276469) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 10661179 + ... + 10793615.

Almost surely, 2^{1420704276489} is an apocalyptic number.

1420704276489 is the 1191933-rd square number.

1420704276489 is the 595967-th centered octagonal number.

It is an amenable number.

1420704276489 is a deficient number, since it is larger than the sum of its proper divisors (701598383758).

1420704276489 is an frugal number, since it uses more digits than its factorization.

1420704276489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264886 (or 132440 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 1420704276489 in words is "one trillion, four hundred twenty billion, seven hundred four million, two hundred seventy-six thousand, four hundred eighty-nine".