620233379 has 2 divisors, whose sum is σ = 620233380. Its totient is φ = 620233378.

The previous prime is 620233373. The next prime is 620233381. The reversal of 620233379 is 973332026.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 620233379 - 2²⁸ = 351797923 is a prime.

Together with 620233381, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (620233373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310116689 + 310116690.

It is an arithmetic number, because the mean of its divisors is an integer number (310116690).

Almost surely, 2^620233379 is an apocalyptic number.

620233379 is a deficient number, since it is larger than the sum of its proper divisors (1).

620233379 is an equidigital number, since it uses as much as digits as its factorization.

620233379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 35.

The square root of 620233379 is about 24904.4851181469. The cubic root of 620233379 is about 852.8088756143.

The spelling of 620233379 in words is "six hundred twenty million, two hundred thirty-three thousand, three hundred seventy-nine".