620468099 has 4 divisors (see below), whose sum is σ = 628967736. Its totient is φ = 611968464.

The previous prime is 620468087. The next prime is 620468119. The reversal of 620468099 is 990864026.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 620468099 - 2⁴ = 620468083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620468399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4249709 + ... + 4249854.

It is an arithmetic number, because the mean of its divisors is an integer number (157241934).

Almost surely, 2^620468099 is an apocalyptic number.

620468099 is a deficient number, since it is larger than the sum of its proper divisors (8499637).

620468099 is an equidigital number, since it uses as much as digits as its factorization.

620468099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8499636.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 620468099 is about 24909.1970765820. The cubic root of 620468099 is about 852.9164405302.

The spelling of 620468099 in words is "six hundred twenty million, four hundred sixty-eight thousand, ninety-nine".