642325523246 has 32 divisors (see below), whose sum is σ = 1098087878880. Its totient is φ = 279107248000.

The previous prime is 642325523227. The next prime is 642325523263.

It is a happy number.

642325523246 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 642325523197 and 642325523206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4919621 + ... + 5048496.

It is an arithmetic number, because the mean of its divisors is an integer number (34315246215).

Almost surely, 2^642325523246 is an apocalyptic number.

642325523246 is a deficient number, since it is larger than the sum of its proper divisors (455762355634).

642325523246 is a wasteful number, since it uses less digits than its factorization.

642325523246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9968260.

The product of its digits is 2073600, while the sum is 44.

The spelling of 642325523246 in words is "six hundred forty-two billion, three hundred twenty-five million, five hundred twenty-three thousand, two hundred forty-six".