425720423747 has 2 divisors, whose sum is σ = 425720423748. Its totient is φ = 425720423746.

The previous prime is 425720423677. The next prime is 425720423809. The reversal of 425720423747 is 747324027524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425720423747 - 2³⁰ = 424646681923 is a prime.

It is not a weakly prime, because it can be changed into another prime (425720428747) 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, 212860211873 + 212860211874.

It is an arithmetic number, because the mean of its divisors is an integer number (212860211874).

Almost surely, 2^425720423747 is an apocalyptic number.

425720423747 is a deficient number, since it is larger than the sum of its proper divisors (1).

425720423747 is an equidigital number, since it uses as much as digits as its factorization.

425720423747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2634240, while the sum is 47.

The spelling of 425720423747 in words is "four hundred twenty-five billion, seven hundred twenty million, four hundred twenty-three thousand, seven hundred forty-seven".