1420488558749 has 16 divisors (see below), whose sum is σ = 1545675348672. Its totient is φ = 1297601574528.

The previous prime is 1420488558631. The next prime is 1420488558751. The reversal of 1420488558749 is 9478558840241.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420488558749 is a prime.

It is a super-2 number, since 2×1420488558749² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420488558779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789842 + ... + 1861404.

It is an arithmetic number, because the mean of its divisors is an integer number (96604709292).

Almost surely, 2^{1420488558749} is an apocalyptic number.

It is an amenable number.

1420488558749 is a deficient number, since it is larger than the sum of its proper divisors (125186789923).

1420488558749 is a wasteful number, since it uses less digits than its factorization.

1420488558749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072636.

The product of its (nonzero) digits is 103219200, while the sum is 65.

The spelling of 1420488558749 in words is "one trillion, four hundred twenty billion, four hundred eighty-eight million, five hundred fifty-eight thousand, seven hundred forty-nine".