425806732457 has 8 divisors (see below), whose sum is σ = 446748049152. Its totient is φ = 405315766800.

The previous prime is 425806732447. The next prime is 425806732469. The reversal of 425806732457 is 754237608524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425806732457 - 2⁸ = 425806732201 is a prime.

It is a super-2 number, since 2×425806732457² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 425806732399 and 425806732408.

It is not an unprimeable number, because it can be changed into a prime (425806732447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112585823 + ... + 112589604.

It is an arithmetic number, because the mean of its divisors is an integer number (55843506144).

Almost surely, 2^425806732457 is an apocalyptic number.

It is an amenable number.

425806732457 is a deficient number, since it is larger than the sum of its proper divisors (20941316695).

425806732457 is a wasteful number, since it uses less digits than its factorization.

425806732457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225175519.

The product of its (nonzero) digits is 11289600, while the sum is 53.

The spelling of 425806732457 in words is "four hundred twenty-five billion, eight hundred six million, seven hundred thirty-two thousand, four hundred fifty-seven".