13406747771 has 8 divisors (see below), whose sum is σ = 14198452224. Its totient is φ = 12632443560.

The previous prime is 13406747749. The next prime is 13406747807. The reversal of 13406747771 is 17774760431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13406747771 - 2⁶ = 13406747707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13406743771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4348475 + ... + 4351556.

It is an arithmetic number, because the mean of its divisors is an integer number (1774806528).

Almost surely, 2^13406747771 is an apocalyptic number.

13406747771 is a deficient number, since it is larger than the sum of its proper divisors (791704453).

13406747771 is an equidigital number, since it uses as much as digits as its factorization.

13406747771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8700121.

The product of its (nonzero) digits is 691488, while the sum is 47.

The spelling of 13406747771 in words is "thirteen billion, four hundred six million, seven hundred forty-seven thousand, seven hundred seventy-one".