10989384077 has 4 divisors (see below), whose sum is σ = 12559296096. Its totient is φ = 9419472060.

The previous prime is 10989384031. The next prime is 10989384127. The reversal of 10989384077 is 77048398901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10989384077 - 2¹⁶ = 10989318541 is a prime.

It is a super-2 number, since 2×10989384077² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10989384017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 784955999 + ... + 784956012.

It is an arithmetic number, because the mean of its divisors is an integer number (3139824024).

Almost surely, 2^10989384077 is an apocalyptic number.

It is an amenable number.

10989384077 is a deficient number, since it is larger than the sum of its proper divisors (1569912019).

10989384077 is an equidigital number, since it uses as much as digits as its factorization.

10989384077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569912018.

The product of its (nonzero) digits is 3048192, while the sum is 56.

The spelling of 10989384077 in words is "ten billion, nine hundred eighty-nine million, three hundred eighty-four thousand, seventy-seven".