2158353063733 has 2 divisors, whose sum is σ = 2158353063734. Its totient is φ = 2158353063732.

The previous prime is 2158353063707. The next prime is 2158353063791. The reversal of 2158353063733 is 3373603538512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1993904971249 + 164448092484 = 1412057^2 + 405522^2 .

It is a cyclic number.

It is not a de Polignac number, because 2158353063733 - 2⁹ = 2158353063221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2158353063833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079176531866 + 1079176531867.

It is an arithmetic number, because the mean of its divisors is an integer number (1079176531867).

Almost surely, 2^{2158353063733} is an apocalyptic number.

It is an amenable number.

2158353063733 is a deficient number, since it is larger than the sum of its proper divisors (1).

2158353063733 is an equidigital number, since it uses as much as digits as its factorization.

2158353063733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4082400, while the sum is 49.

The spelling of 2158353063733 in words is "two trillion, one hundred fifty-eight billion, three hundred fifty-three million, sixty-three thousand, seven hundred thirty-three".