633481256542 has 8 divisors (see below), whose sum is σ = 1006117289856. Its totient is φ = 298108826592.

The previous prime is 633481256519. The next prime is 633481256579. The reversal of 633481256542 is 245652184336.

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, 9315900798 + ... + 9315900865.

It is an arithmetic number, because the mean of its divisors is an integer number (125764661232).

Almost surely, 2^633481256542 is an apocalyptic number.

633481256542 is a deficient number, since it is larger than the sum of its proper divisors (372636033314).

633481256542 is a wasteful number, since it uses less digits than its factorization.

633481256542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18631801682.

The product of its digits is 4147200, while the sum is 49.

The spelling of 633481256542 in words is "six hundred thirty-three billion, four hundred eighty-one million, two hundred fifty-six thousand, five hundred forty-two".