425880756461 has 2 divisors, whose sum is σ = 425880756462. Its totient is φ = 425880756460.

The previous prime is 425880756449. The next prime is 425880756479. The reversal of 425880756461 is 164657088524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 383525058436 + 42355698025 = 619294^2 + 205805^2 .

It is a cyclic number.

It is not a de Polignac number, because 425880756461 - 2⁶ = 425880756397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 425880756397 and 425880756406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425880756481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212940378230 + 212940378231.

It is an arithmetic number, because the mean of its divisors is an integer number (212940378231).

Almost surely, 2^425880756461 is an apocalyptic number.

It is an amenable number.

425880756461 is a deficient number, since it is larger than the sum of its proper divisors (1).

425880756461 is an equidigital number, since it uses as much as digits as its factorization.

425880756461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 425880756461 in words is "four hundred twenty-five billion, eight hundred eighty million, seven hundred fifty-six thousand, four hundred sixty-one".