10939581654 has 16 divisors (see below), whose sum is σ = 21883579392. Its totient is φ = 3645791208.

The previous prime is 10939581593. The next prime is 10939581673. The reversal of 10939581654 is 45618593901.

It is a junction number, because it is equal to n+sod(n) for n = 10939581597 and 10939581606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151354 + ... + 211629.

It is an arithmetic number, because the mean of its divisors is an integer number (1367723712).

Almost surely, 2^10939581654 is an apocalyptic number.

10939581654 is an abundant number, since it is smaller than the sum of its proper divisors (10943997738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10939581654 is a wasteful number, since it uses less digits than its factorization.

10939581654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368011.

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 10939581654 in words is "ten billion, nine hundred thirty-nine million, five hundred eighty-one thousand, six hundred fifty-four".