433378676340149 has 2 divisors, whose sum is σ = 433378676340150. Its totient is φ = 433378676340148.

The previous prime is 433378676340061. The next prime is 433378676340191. The reversal of 433378676340149 is 941043676873334.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386727249205924 + 46651427134225 = 19665382^2 + 6830185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-433378676340149 is a prime.

It is a super-2 number, since 2×433378676340149² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (433378676340349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216689338170074 + 216689338170075.

It is an arithmetic number, because the mean of its divisors is an integer number (216689338170075).

Almost surely, 2^{433378676340149} is an apocalyptic number.

It is an amenable number.

433378676340149 is a deficient number, since it is larger than the sum of its proper divisors (1).

433378676340149 is an equidigital number, since it uses as much as digits as its factorization.

433378676340149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 658409472, while the sum is 68.

The spelling of 433378676340149 in words is "four hundred thirty-three trillion, three hundred seventy-eight billion, six hundred seventy-six million, three hundred forty thousand, one hundred forty-nine".