13968197588 has 6 divisors (see below), whose sum is σ = 24444345786. Its totient is φ = 6984098792.

The previous prime is 13968197569. The next prime is 13968197599. The reversal of 13968197588 is 88579186931.

It can be written as a sum of positive squares in only one way, i.e., 9787540624 + 4180656964 = 98932^2 + 64658^2 .

It is a super-2 number, since 2×13968197588² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1746024695 + ... + 1746024702.

It is an arithmetic number, because the mean of its divisors is an integer number (4074057631).

Almost surely, 2^13968197588 is an apocalyptic number.

It is an amenable number.

13968197588 is a deficient number, since it is larger than the sum of its proper divisors (10476148198).

13968197588 is a wasteful number, since it uses less digits than its factorization.

13968197588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3492049401 (or 3492049399 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 65.

The spelling of 13968197588 in words is "thirteen billion, nine hundred sixty-eight million, one hundred ninety-seven thousand, five hundred eighty-eight".