154320362813 has 2 divisors, whose sum is σ = 154320362814. Its totient is φ = 154320362812.

The previous prime is 154320362759. The next prime is 154320362869. The reversal of 154320362813 is 318263023451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120566589529 + 33753773284 = 347227^2 + 183722^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154320362813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154320362873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77160181406 + 77160181407.

It is an arithmetic number, because the mean of its divisors is an integer number (77160181407).

Almost surely, 2^154320362813 is an apocalyptic number.

It is an amenable number.

154320362813 is a deficient number, since it is larger than the sum of its proper divisors (1).

154320362813 is an equidigital number, since it uses as much as digits as its factorization.

154320362813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 154320362813 in words is "one hundred fifty-four billion, three hundred twenty million, three hundred sixty-two thousand, eight hundred thirteen".