13965557706 has 16 divisors (see below), whose sum is σ = 31034572800. Its totient is φ = 4655185884.

The previous prime is 13965557693. The next prime is 13965557713. The reversal of 13965557706 is 60775556931.

13965557706 is a `hidden beast` number, since 1 + 3 + 9 + 65 + 5 + 577 + 0 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 258621439 = 13965557706 / (1 + 3 + 9 + 6 + 5 + 5 + 5 + 7 + 7 + 0 + 6).

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, 129310666 + ... + 129310773.

It is an arithmetic number, because the mean of its divisors is an integer number (1939660800).

Almost surely, 2^13965557706 is an apocalyptic number.

13965557706 is an abundant number, since it is smaller than the sum of its proper divisors (17069015094).

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

13965557706 is a wasteful number, since it uses less digits than its factorization.

13965557706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258621450 (or 258621444 counting only the distinct ones).

The product of its (nonzero) digits is 5953500, while the sum is 54.

The spelling of 13965557706 in words is "thirteen billion, nine hundred sixty-five million, five hundred fifty-seven thousand, seven hundred six".