425038863391 has 2 divisors, whose sum is σ = 425038863392. Its totient is φ = 425038863390.

The previous prime is 425038863373. The next prime is 425038863419. The reversal of 425038863391 is 193368830524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425038863391 - 2⁹ = 425038862879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425038863091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212519431695 + 212519431696.

It is an arithmetic number, because the mean of its divisors is an integer number (212519431696).

Almost surely, 2^425038863391 is an apocalyptic number.

425038863391 is a deficient number, since it is larger than the sum of its proper divisors (1).

425038863391 is an equidigital number, since it uses as much as digits as its factorization.

425038863391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 425038863391 in words is "four hundred twenty-five billion, thirty-eight million, eight hundred sixty-three thousand, three hundred ninety-one".