1420858625717 has 8 divisors (see below), whose sum is σ = 1434679194624. Its totient is φ = 1407038553648.

The previous prime is 1420858625629. The next prime is 1420858625731. The reversal of 1420858625717 is 7175268580241.

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 1420858625717 - 2¹⁰ = 1420858624693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420858621717) 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, 8559803 + ... + 8724215.

It is an arithmetic number, because the mean of its divisors is an integer number (179334899328).

Almost surely, 2^{1420858625717} is an apocalyptic number.

It is an amenable number.

1420858625717 is a deficient number, since it is larger than the sum of its proper divisors (13820568907).

1420858625717 is a wasteful number, since it uses less digits than its factorization.

1420858625717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248419.

The product of its (nonzero) digits is 7526400, while the sum is 56.

The spelling of 1420858625717 in words is "one trillion, four hundred twenty billion, eight hundred fifty-eight million, six hundred twenty-five thousand, seven hundred seventeen".