3654535342739 has 2 divisors, whose sum is σ = 3654535342740. Its totient is φ = 3654535342738.

The previous prime is 3654535342721. The next prime is 3654535342831. The reversal of 3654535342739 is 9372435354563.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3654535342739 is a prime.

It is not a weakly prime, because it can be changed into another prime (3654535345739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1827267671369 + 1827267671370.

It is an arithmetic number, because the mean of its divisors is an integer number (1827267671370).

Almost surely, 2^{3654535342739} is an apocalyptic number.

3654535342739 is a deficient number, since it is larger than the sum of its proper divisors (1).

3654535342739 is an equidigital number, since it uses as much as digits as its factorization.

3654535342739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472000, while the sum is 59.

The spelling of 3654535342739 in words is "three trillion, six hundred fifty-four billion, five hundred thirty-five million, three hundred forty-two thousand, seven hundred thirty-nine".