13923052658 has 4 divisors (see below), whose sum is σ = 20884578990. Its totient is φ = 6961526328.

The previous prime is 13923052657. The next prime is 13923052673. The reversal of 13923052658 is 85625032931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85625032931 = 17 ⋅5036766643.

It can be written as a sum of positive squares in only one way, i.e., 9059803489 + 4863249169 = 95183^2 + 69737^2 .

It is not an unprimeable number, because it can be changed into a prime (13923052651) 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 as a sum of consecutive naturals, namely, 3480763163 + ... + 3480763166.

Almost surely, 2^13923052658 is an apocalyptic number.

13923052658 is a deficient number, since it is larger than the sum of its proper divisors (6961526332).

13923052658 is an equidigital number, since it uses as much as digits as its factorization.

13923052658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6961526331.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 13923052658 in words is "thirteen billion, nine hundred twenty-three million, fifty-two thousand, six hundred fifty-eight".