999753620611 has 2 divisors, whose sum is σ = 999753620612. Its totient is φ = 999753620610.

The previous prime is 999753620597. The next prime is 999753620617. The reversal of 999753620611 is 116026357999.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999753620611 is a prime.

It is not a weakly prime, because it can be changed into another prime (999753620617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499876810305 + 499876810306.

It is an arithmetic number, because the mean of its divisors is an integer number (499876810306).

Almost surely, 2^999753620611 is an apocalyptic number.

999753620611 is the 447159-th centered decagonal number.

999753620611 is a deficient number, since it is larger than the sum of its proper divisors (1).

999753620611 is an equidigital number, since it uses as much as digits as its factorization.

999753620611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5511240, while the sum is 58.

The spelling of 999753620611 in words is "nine hundred ninety-nine billion, seven hundred fifty-three million, six hundred twenty thousand, six hundred eleven".