30656051145169 has 2 divisors, whose sum is σ = 30656051145170. Its totient is φ = 30656051145168.

The previous prime is 30656051145149. The next prime is 30656051145221. The reversal of 30656051145169 is 96154115065603.

It is an a-pointer prime, because the next prime (30656051145221) can be obtained adding 30656051145169 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17470895232400 + 13185155912769 = 4179820^2 + 3631137^2 .

It is a cyclic number.

It is not a de Polignac number, because 30656051145169 - 2²¹ = 30656049048017 is a prime.

It is a super-2 number, since 2×30656051145169² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30656051145149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15328025572584 + 15328025572585.

It is an arithmetic number, because the mean of its divisors is an integer number (15328025572585).

Almost surely, 2^{30656051145169} is an apocalyptic number.

It is an amenable number.

30656051145169 is a deficient number, since it is larger than the sum of its proper divisors (1).

30656051145169 is an equidigital number, since it uses as much as digits as its factorization.

30656051145169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916000, while the sum is 52.

The spelling of 30656051145169 in words is "thirty trillion, six hundred fifty-six billion, fifty-one million, one hundred forty-five thousand, one hundred sixty-nine".