620541037563 has 8 divisors (see below), whose sum is σ = 827392205376. Its totient is φ = 413691947400.

The previous prime is 620541037531. The next prime is 620541037579. The reversal of 620541037563 is 365730145026.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 620541037563 - 2⁵ = 620541037531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620541030563) 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, 420448 + ... + 1190738.

It is an arithmetic number, because the mean of its divisors is an integer number (103424025672).

Almost surely, 2^620541037563 is an apocalyptic number.

620541037563 is a deficient number, since it is larger than the sum of its proper divisors (206851167813).

620541037563 is a wasteful number, since it uses less digits than its factorization.

620541037563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038825.

The product of its (nonzero) digits is 453600, while the sum is 42.

The spelling of 620541037563 in words is "six hundred twenty billion, five hundred forty-one million, thirty-seven thousand, five hundred sixty-three".