13450666761 has 16 divisors (see below), whose sum is σ = 22773616000. Its totient is φ = 7686095184.

The previous prime is 13450666739. The next prime is 13450666771. The reversal of 13450666761 is 16766605431.

It is not a de Polignac number, because 13450666761 - 2¹³ = 13450658569 is a prime.

It is a super-2 number, since 2×13450666761² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13450666771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35583586 + ... + 35583963.

It is an arithmetic number, because the mean of its divisors is an integer number (1423351000).

Almost surely, 2^13450666761 is an apocalyptic number.

It is an amenable number.

13450666761 is a deficient number, since it is larger than the sum of its proper divisors (9322949239).

13450666761 is an equidigital number, since it uses as much as digits as its factorization.

13450666761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71167565 (or 71167559 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 13450666761 in words is "thirteen billion, four hundred fifty million, six hundred sixty-six thousand, seven hundred sixty-one".