425880753439 has 2 divisors, whose sum is σ = 425880753440. Its totient is φ = 425880753438.

The previous prime is 425880753371. The next prime is 425880753497. The reversal of 425880753439 is 934357088524.

It is a happy number.

It is an a-pointer prime, because the next prime (425880753497) can be obtained adding 425880753439 to its sum of digits (58).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425880753439 is a prime.

It is a super-2 number, since 2×425880753439² (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 (425880750439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212940376719 + 212940376720.

It is an arithmetic number, because the mean of its divisors is an integer number (212940376720).

Almost surely, 2^425880753439 is an apocalyptic number.

425880753439 is a deficient number, since it is larger than the sum of its proper divisors (1).

425880753439 is an equidigital number, since it uses as much as digits as its factorization.

425880753439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29030400, while the sum is 58.

The spelling of 425880753439 in words is "four hundred twenty-five billion, eight hundred eighty million, seven hundred fifty-three thousand, four hundred thirty-nine".