245631636546 has 8 divisors (see below), whose sum is σ = 491263273104. Its totient is φ = 81877212180.

The previous prime is 245631636527. The next prime is 245631636553. The reversal of 245631636546 is 645636136542.

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

245631636546 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 20469303040 + ... + 20469303051.

It is an arithmetic number, because the mean of its divisors is an integer number (61407909138).

Almost surely, 2^245631636546 is an apocalyptic number.

245631636546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245631636546 is a wasteful number, since it uses less digits than its factorization.

245631636546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40938606096.

The product of its digits is 9331200, while the sum is 51.

The spelling of 245631636546 in words is "two hundred forty-five billion, six hundred thirty-one million, six hundred thirty-six thousand, five hundred forty-six".