620717504429 has 8 divisors (see below), whose sum is σ = 678101449440. Its totient is φ = 563492739600.

The previous prime is 620717504413. The next prime is 620717504437. The reversal of 620717504429 is 924405717026.

620717504429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 620717504429 - 2⁴ = 620717504413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620717501429) 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, 39786887 + ... + 39802484.

It is an arithmetic number, because the mean of its divisors is an integer number (84762681180).

Almost surely, 2^620717504429 is an apocalyptic number.

It is an amenable number.

620717504429 is a deficient number, since it is larger than the sum of its proper divisors (57383945011).

620717504429 is a wasteful number, since it uses less digits than its factorization.

620717504429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79590091.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 620717504429 in words is "six hundred twenty billion, seven hundred seventeen million, five hundred four thousand, four hundred twenty-nine".