1425641061686 has 8 divisors (see below), whose sum is σ = 2139537824760. Its totient is φ = 712461786768.

The previous prime is 1425641061673. The next prime is 1425641061697. The reversal of 1425641061686 is 6861601465241.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179367071 + ... + 179375018.

It is an arithmetic number, because the mean of its divisors is an integer number (267442228095).

Almost surely, 2^{1425641061686} is an apocalyptic number.

1425641061686 is a deficient number, since it is larger than the sum of its proper divisors (713896763074).

1425641061686 is a wasteful number, since it uses less digits than its factorization.

1425641061686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358744078.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 1425641061686 in words is "one trillion, four hundred twenty-five billion, six hundred forty-one million, sixty-one thousand, six hundred eighty-six".