434421375123251 has 2 divisors, whose sum is σ = 434421375123252. Its totient is φ = 434421375123250.

The previous prime is 434421375123187. The next prime is 434421375123277. The reversal of 434421375123251 is 152321573124434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434421375123251 - 2⁶ = 434421375123187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 434421375123196 and 434421375123205.

It is not a weakly prime, because it can be changed into another prime (434421375153251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217210687561625 + 217210687561626.

It is an arithmetic number, because the mean of its divisors is an integer number (217210687561626).

Almost surely, 2^{434421375123251} is an apocalyptic number.

434421375123251 is a deficient number, since it is larger than the sum of its proper divisors (1).

434421375123251 is an equidigital number, since it uses as much as digits as its factorization.

434421375123251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 47.

The spelling of 434421375123251 in words is "four hundred thirty-four trillion, four hundred twenty-one billion, three hundred seventy-five million, one hundred twenty-three thousand, two hundred fifty-one".