10776421699 has 4 divisors (see below), whose sum is σ = 10786070464. Its totient is φ = 10766772936.

The previous prime is 10776421697. The next prime is 10776421723. The reversal of 10776421699 is 99612467701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99612467701 = 2131 ⋅46744471.

It is a cyclic number.

It is not a de Polignac number, because 10776421699 - 2¹ = 10776421697 is a prime.

It is a super-2 number, since 2×10776421699² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10776421697) 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, 4822707 + ... + 4824940.

It is an arithmetic number, because the mean of its divisors is an integer number (2696517616).

Almost surely, 2^10776421699 is an apocalyptic number.

10776421699 is a deficient number, since it is larger than the sum of its proper divisors (9648765).

10776421699 is an equidigital number, since it uses as much as digits as its factorization.

10776421699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9648764.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The spelling of 10776421699 in words is "ten billion, seven hundred seventy-six million, four hundred twenty-one thousand, six hundred ninety-nine".