620535612783 has 8 divisors (see below), whose sum is σ = 827426492928. Its totient is φ = 413667570584.

The previous prime is 620535612769. The next prime is 620535612793. The reversal of 620535612783 is 387216535026.

It is a happy number.

620535612783 is digitally balanced in base 2 and base 4, because in such bases 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 620535612783 - 2³⁸ = 345657705839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620535612703) 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, 5645985 + ... + 5754842.

It is an arithmetic number, because the mean of its divisors is an integer number (103428311616).

Almost surely, 2^620535612783 is an apocalyptic number.

620535612783 is a deficient number, since it is larger than the sum of its proper divisors (206890880145).

620535612783 is a wasteful number, since it uses less digits than its factorization.

620535612783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11418973.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 620535612783 in words is "six hundred twenty billion, five hundred thirty-five million, six hundred twelve thousand, seven hundred eighty-three".