425673637622 has 4 divisors (see below), whose sum is σ = 638510456436. Its totient is φ = 212836818810.

The previous prime is 425673637621. The next prime is 425673637651. The reversal of 425673637622 is 226736376524.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425673637621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106418409404 + ... + 106418409407.

It is an arithmetic number, because the mean of its divisors is an integer number (159627614109).

Almost surely, 2^425673637622 is an apocalyptic number.

425673637622 is a deficient number, since it is larger than the sum of its proper divisors (212836818814).

425673637622 is a wasteful number, since it uses less digits than its factorization.

425673637622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212836818813.

The product of its digits is 15240960, while the sum is 53.

The spelling of 425673637622 in words is "four hundred twenty-five billion, six hundred seventy-three million, six hundred thirty-seven thousand, six hundred twenty-two".