620104456345 has 32 divisors (see below), whose sum is σ = 820429159680. Its totient is φ = 446184426240.

The previous prime is 620104456319. The next prime is 620104456351. The reversal of 620104456345 is 543654401026.

It is not a de Polignac number, because 620104456345 - 2¹¹ = 620104454297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 620104456298 and 620104456307.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6004687 + ... + 6107083.

It is an arithmetic number, because the mean of its divisors is an integer number (25638411240).

Almost surely, 2^620104456345 is an apocalyptic number.

It is an amenable number.

620104456345 is a deficient number, since it is larger than the sum of its proper divisors (200324703335).

620104456345 is a wasteful number, since it uses less digits than its factorization.

620104456345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103585.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 620104456345 in words is "six hundred twenty billion, one hundred four million, four hundred fifty-six thousand, three hundred forty-five".