425710721542 has 8 divisors (see below), whose sum is σ = 638667477000. Its totient is φ = 212821562544.

The previous prime is 425710721519. The next prime is 425710721591. The reversal of 425710721542 is 245127017524.

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

It is a junction number, because it is equal to n+sod(n) for n = 425710721495 and 425710721504.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16883367 + ... + 16908562.

It is an arithmetic number, because the mean of its divisors is an integer number (79833434625).

Almost surely, 2^425710721542 is an apocalyptic number.

425710721542 is a deficient number, since it is larger than the sum of its proper divisors (212956755458).

425710721542 is a wasteful number, since it uses less digits than its factorization.

425710721542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33798230.

The product of its (nonzero) digits is 156800, while the sum is 40.

The spelling of 425710721542 in words is "four hundred twenty-five billion, seven hundred ten million, seven hundred twenty-one thousand, five hundred forty-two".