616229963 has 2 divisors, whose sum is σ = 616229964. Its totient is φ = 616229962.

The previous prime is 616229891. The next prime is 616229969. The reversal of 616229963 is 369922616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 616229963 - 2⁸ = 616229707 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (616229969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308114981 + 308114982.

It is an arithmetic number, because the mean of its divisors is an integer number (308114982).

Almost surely, 2^616229963 is an apocalyptic number.

616229963 is a deficient number, since it is larger than the sum of its proper divisors (1).

616229963 is an equidigital number, since it uses as much as digits as its factorization.

616229963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 44.

The square root of 616229963 is about 24823.9795963500. The cubic root of 616229963 is about 850.9700404117.

The spelling of 616229963 in words is "six hundred sixteen million, two hundred twenty-nine thousand, nine hundred sixty-three".