11709436654 has 4 divisors (see below), whose sum is σ = 17564154984. Its totient is φ = 5854718326.

The previous prime is 11709436649. The next prime is 11709436663. The reversal of 11709436654 is 45663490711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45663490711 = 881 ⋅51831431.

It is a super-2 number, since 2×11709436654² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2927359162 + ... + 2927359165.

It is an arithmetic number, because the mean of its divisors is an integer number (4391038746).

Almost surely, 2^11709436654 is an apocalyptic number.

11709436654 is a deficient number, since it is larger than the sum of its proper divisors (5854718330).

11709436654 is an equidigital number, since it uses as much as digits as its factorization.

11709436654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5854718329.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 11709436654 in words is "eleven billion, seven hundred nine million, four hundred thirty-six thousand, six hundred fifty-four".