340154869181 has 2 divisors, whose sum is σ = 340154869182. Its totient is φ = 340154869180.

The previous prime is 340154869097. The next prime is 340154869267. The reversal of 340154869181 is 181968451043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 338568041956 + 1586827225 = 581866^2 + 39835^2 .

It is a cyclic number.

It is not a de Polignac number, because 340154869181 - 2²⁶ = 340087760317 is a prime.

It is a super-2 number, since 2×340154869181² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340154869081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170077434590 + 170077434591.

It is an arithmetic number, because the mean of its divisors is an integer number (170077434591).

Almost surely, 2^340154869181 is an apocalyptic number.

It is an amenable number.

340154869181 is a deficient number, since it is larger than the sum of its proper divisors (1).

340154869181 is an equidigital number, since it uses as much as digits as its factorization.

340154869181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 340154869181 in words is "three hundred forty billion, one hundred fifty-four million, eight hundred sixty-nine thousand, one hundred eighty-one".