620056108491 has 32 divisors (see below), whose sum is σ = 837677438208. Its totient is φ = 407931926400.

The previous prime is 620056108447. The next prime is 620056108519. The reversal of 620056108491 is 194801650026.

It is not a de Polignac number, because 620056108491 - 2¹³ = 620056100299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620056108411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158054656 + ... + 158058578.

It is an arithmetic number, because the mean of its divisors is an integer number (26177419944).

Almost surely, 2^620056108491 is an apocalyptic number.

620056108491 is a deficient number, since it is larger than the sum of its proper divisors (217621329717).

620056108491 is a wasteful number, since it uses less digits than its factorization.

620056108491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 620056108491 in words is "six hundred twenty billion, fifty-six million, one hundred eight thousand, four hundred ninety-one".