11984932653 has 4 divisors (see below), whose sum is σ = 15979910208. Its totient is φ = 7989955100.

The previous prime is 11984932637. The next prime is 11984932669. The reversal of 11984932653 is 35623948911.

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 an interprime number because it is at equal distance from previous prime (11984932637) and next prime (11984932669).

It is a cyclic number.

It is not a de Polignac number, because 11984932653 - 2⁴ = 11984932637 is a prime.

It is a super-2 number, since 2×11984932653² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11984932596 and 11984932605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11984932633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1997488773 + ... + 1997488778.

It is an arithmetic number, because the mean of its divisors is an integer number (3994977552).

Almost surely, 2^11984932653 is an apocalyptic number.

It is an amenable number.

11984932653 is a deficient number, since it is larger than the sum of its proper divisors (3994977555).

11984932653 is an equidigital number, since it uses as much as digits as its factorization.

11984932653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3994977554.

The product of its digits is 1399680, while the sum is 51.

The spelling of 11984932653 in words is "eleven billion, nine hundred eighty-four million, nine hundred thirty-two thousand, six hundred fifty-three".