13148069693 has 6 divisors (see below), whose sum is σ = 14452010622. Its totient is φ = 11952790520.

The previous prime is 13148069657. The next prime is 13148069723. The reversal of 13148069693 is 39696084131.

It can be written as a sum of positive squares in only one way, i.e., 10379941924 + 2768127769 = 101882^2 + 52613^2 .

It is not a de Polignac number, because 13148069693 - 2⁶ = 13148069629 is a prime.

It is a super-2 number, since 2×13148069693² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13148069633) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 54330746 + ... + 54330987.

It is an arithmetic number, because the mean of its divisors is an integer number (2408668437).

Almost surely, 2^13148069693 is an apocalyptic number.

It is an amenable number.

13148069693 is a deficient number, since it is larger than the sum of its proper divisors (1303940929).

13148069693 is a wasteful number, since it uses less digits than its factorization.

13148069693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108661755 (or 108661744 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 13148069693 in words is "thirteen billion, one hundred forty-eight million, sixty-nine thousand, six hundred ninety-three".