420356577709 has 8 divisors (see below), whose sum is σ = 426362657472. Its totient is φ = 414352874880.

The previous prime is 420356577691. The next prime is 420356577757. The reversal of 420356577709 is 907775653024.

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 420356577709 - 2³⁵ = 385996839341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420356577709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420356578709) 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, 236484 + ... + 946909.

It is an arithmetic number, because the mean of its divisors is an integer number (53295332184).

Almost surely, 2^420356577709 is an apocalyptic number.

It is an amenable number.

420356577709 is a deficient number, since it is larger than the sum of its proper divisors (6006079763).

420356577709 is a wasteful number, since it uses less digits than its factorization.

420356577709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188467.

The product of its (nonzero) digits is 11113200, while the sum is 55.

The spelling of 420356577709 in words is "four hundred twenty billion, three hundred fifty-six million, five hundred seventy-seven thousand, seven hundred nine".