425042690686 has 4 divisors (see below), whose sum is σ = 637564036032. Its totient is φ = 212521345342.

The previous prime is 425042690671. The next prime is 425042690707. The reversal of 425042690686 is 686096240524.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×425042690686² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106260672670 + ... + 106260672673.

It is an arithmetic number, because the mean of its divisors is an integer number (159391009008).

Almost surely, 2^425042690686 is an apocalyptic number.

425042690686 is a deficient number, since it is larger than the sum of its proper divisors (212521345346).

425042690686 is a wasteful number, since it uses less digits than its factorization.

425042690686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212521345345.

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 425042690686 in words is "four hundred twenty-five billion, forty-two million, six hundred ninety thousand, six hundred eighty-six".