13654480691 has 2 divisors, whose sum is σ = 13654480692. Its totient is φ = 13654480690.

The previous prime is 13654480667. The next prime is 13654480729. The reversal of 13654480691 is 19608445631.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13654480691 is a prime.

It is not a weakly prime, because it can be changed into another prime (13654480601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6827240345 + 6827240346.

It is an arithmetic number, because the mean of its divisors is an integer number (6827240346).

Almost surely, 2^13654480691 is an apocalyptic number.

13654480691 is a deficient number, since it is larger than the sum of its proper divisors (1).

13654480691 is an equidigital number, since it uses as much as digits as its factorization.

13654480691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 13654480691 in words is "thirteen billion, six hundred fifty-four million, four hundred eighty thousand, six hundred ninety-one".