1420270068569 has 4 divisors (see below), whose sum is σ = 1549385529360. Its totient is φ = 1291154607780.

The previous prime is 1420270068551. The next prime is 1420270068611. The reversal of 1420270068569 is 9658600720241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1420270068569 - 2³² = 1415975101273 is a prime.

It is a super-2 number, since 2×1420270068569² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420270268569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64557730379 + ... + 64557730400.

It is an arithmetic number, because the mean of its divisors is an integer number (387346382340).

Almost surely, 2^{1420270068569} is an apocalyptic number.

It is an amenable number.

1420270068569 is a deficient number, since it is larger than the sum of its proper divisors (129115460791).

1420270068569 is a wasteful number, since it uses less digits than its factorization.

1420270068569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129115460790.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 1420270068569 in words is "one trillion, four hundred twenty billion, two hundred seventy million, sixty-eight thousand, five hundred sixty-nine".