13755939761 has 4 divisors (see below), whose sum is σ = 13756314624. Its totient is φ = 13755564900.

The previous prime is 13755939737. The next prime is 13755939773. The reversal of 13755939761 is 16793955731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16793955731 = 7 ⋅2399136533.

It is a cyclic number.

It is not a de Polignac number, because 13755939761 - 2¹⁰ = 13755938737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13755939697 and 13755939706.

It is not an unprimeable number, because it can be changed into a prime (13755930761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125585 + ... + 208046.

It is an arithmetic number, because the mean of its divisors is an integer number (3439078656).

Almost surely, 2^13755939761 is an apocalyptic number.

It is an amenable number.

13755939761 is a deficient number, since it is larger than the sum of its proper divisors (374863).

13755939761 is an equidigital number, since it uses as much as digits as its factorization.

13755939761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374862.

The product of its digits is 5358150, while the sum is 56.

The spelling of 13755939761 in words is "thirteen billion, seven hundred fifty-five million, nine hundred thirty-nine thousand, seven hundred sixty-one".