13148544697 has 12 divisors (see below), whose sum is σ = 13874559660. Its totient is φ = 12455573312.

The previous prime is 13148544691. The next prime is 13148544713. The reversal of 13148544697 is 79644584131.

It can be written as a sum of positive squares in 6 ways, for example, as 2665037376 + 10483507321 = 51624^2 + 102389^2 .

It is not a de Polignac number, because 13148544697 - 2¹⁹ = 13148020409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13148544691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102922 + ... + 192067.

It is an arithmetic number, because the mean of its divisors is an integer number (1156213305).

Almost surely, 2^13148544697 is an apocalyptic number.

It is an amenable number.

13148544697 is a deficient number, since it is larger than the sum of its proper divisors (726014963).

13148544697 is an equidigital number, since it uses as much as digits as its factorization.

13148544697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295100 (or 295071 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The spelling of 13148544697 in words is "thirteen billion, one hundred forty-eight million, five hundred forty-four thousand, six hundred ninety-seven".