10899976609 has 2 divisors, whose sum is σ = 10899976610. Its totient is φ = 10899976608.

The previous prime is 10899976603. The next prime is 10899976613. The reversal of 10899976609 is 90667999801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8273721600 + 2626255009 = 90960^2 + 51247^2 .

It is a cyclic number.

It is not a de Polignac number, because 10899976609 - 2¹⁹ = 10899452321 is a prime.

It is not a weakly prime, because it can be changed into another prime (10899976603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5449988304 + 5449988305.

It is an arithmetic number, because the mean of its divisors is an integer number (5449988305).

Almost surely, 2^10899976609 is an apocalyptic number.

It is an amenable number.

10899976609 is a deficient number, since it is larger than the sum of its proper divisors (1).

10899976609 is an equidigital number, since it uses as much as digits as its factorization.

10899976609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13226976, while the sum is 64.

The spelling of 10899976609 in words is "ten billion, eight hundred ninety-nine million, nine hundred seventy-six thousand, six hundred nine".