425458658781 has 16 divisors (see below), whose sum is σ = 678794441920. Its totient is φ = 261820712880.

The previous prime is 425458658743. The next prime is 425458658803. The reversal of 425458658781 is 187856854524.

425458658781 is a `hidden beast` number, since 4 + 2 + 5 + 45 + 8 + 6 + 587 + 8 + 1 = 666.

It is not a de Polignac number, because 425458658781 - 2⁹ = 425458658269 is a prime.

It is a super-2 number, since 2×425458658781² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425458658701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 606066115 + ... + 606066816.

It is an arithmetic number, because the mean of its divisors is an integer number (42424652620).

Almost surely, 2^425458658781 is an apocalyptic number.

It is an amenable number.

425458658781 is a deficient number, since it is larger than the sum of its proper divisors (253335783139).

425458658781 is a wasteful number, since it uses less digits than its factorization.

425458658781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212132953 (or 1212132947 counting only the distinct ones).

The product of its digits is 86016000, while the sum is 63.

The spelling of 425458658781 in words is "four hundred twenty-five billion, four hundred fifty-eight million, six hundred fifty-eight thousand, seven hundred eighty-one".