620818050635723 has 16 divisors (see below), whose sum is σ = 625508366363136. Its totient is φ = 616130057879040.

The previous prime is 620818050635701. The next prime is 620818050635777. The reversal of 620818050635723 is 327536050818026.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 620818050635723 - 2¹⁶ = 620818050570187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620818050695723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10035662813 + ... + 10035724673.

It is an arithmetic number, because the mean of its divisors is an integer number (39094272897696).

Almost surely, 2^{620818050635723} is an apocalyptic number.

620818050635723 is a deficient number, since it is larger than the sum of its proper divisors (4690315727413).

620818050635723 is a wasteful number, since it uses less digits than its factorization.

620818050635723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79414.

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 620818050635723 in words is "six hundred twenty trillion, eight hundred eighteen billion, fifty million, six hundred thirty-five thousand, seven hundred twenty-three".