610605899 has 2 divisors, whose sum is σ = 610605900. Its totient is φ = 610605898.

The previous prime is 610605839. The next prime is 610605923. The reversal of 610605899 is 998506016.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-610605899 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (610605839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305302949 + 305302950.

It is an arithmetic number, because the mean of its divisors is an integer number (305302950).

Almost surely, 2^610605899 is an apocalyptic number.

610605899 is a deficient number, since it is larger than the sum of its proper divisors (1).

610605899 is an equidigital number, since it uses as much as digits as its factorization.

610605899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 610605899 is about 24710.4410927850. The cubic root of 610605899 is about 848.3733129050.

The spelling of 610605899 in words is "six hundred ten million, six hundred five thousand, eight hundred ninety-nine".