13033788377447 has 6 divisors (see below), whose sum is σ = 13192713950352. Its totient is φ = 12876754775732.

The previous prime is 13033788377443. The next prime is 13033788377537. The reversal of 13033788377447 is 74477388733031.

It is not a de Polignac number, because 13033788377447 - 2² = 13033788377443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13033788377443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 945978623 + ... + 945992400.

It is an arithmetic number, because the mean of its divisors is an integer number (2198785658392).

Almost surely, 2^{13033788377447} is an apocalyptic number.

13033788377447 is a deficient number, since it is larger than the sum of its proper divisors (158925572905).

13033788377447 is an frugal number, since it uses more digits than its factorization.

13033788377447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891971189 (or 1891971106 counting only the distinct ones).

The product of its (nonzero) digits is 199148544, while the sum is 65.

The spelling of 13033788377447 in words is "thirteen trillion, thirty-three billion, seven hundred eighty-eight million, three hundred seventy-seven thousand, four hundred forty-seven".