610963811 has 4 divisors (see below), whose sum is σ = 611914632. Its totient is φ = 610012992.

The previous prime is 610963781. The next prime is 610963819. The reversal of 610963811 is 118369016.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-610963811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (610963819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474446 + ... + 475731.

It is an arithmetic number, because the mean of its divisors is an integer number (152978658).

Almost surely, 2^610963811 is an apocalyptic number.

610963811 is a deficient number, since it is larger than the sum of its proper divisors (950821).

610963811 is an equidigital number, since it uses as much as digits as its factorization.

610963811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950820.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 610963811 is about 24717.6821526615. The cubic root of 610963811 is about 848.5390410128.

The spelling of 610963811 in words is "six hundred ten million, nine hundred sixty-three thousand, eight hundred eleven".