633425421232555 has 16 divisors (see below), whose sum is σ = 881663358170880. Its totient is φ = 427866041462112.

The previous prime is 633425421232477. The next prime is 633425421232607. The reversal of 633425421232555 is 555232124524336.

It is a cyclic number.

It is not a de Polignac number, because 633425421232555 - 2¹⁷ = 633425421101483 is a prime.

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, 135058722865 + ... + 135058727554.

It is an arithmetic number, because the mean of its divisors is an integer number (55103959885680).

Almost surely, 2^{633425421232555} is an apocalyptic number.

633425421232555 is a deficient number, since it is larger than the sum of its proper divisors (248237936938325).

633425421232555 is a wasteful number, since it uses less digits than its factorization.

633425421232555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270117450498.

The product of its digits is 25920000, while the sum is 52.

The spelling of 633425421232555 in words is "six hundred thirty-three trillion, four hundred twenty-five billion, four hundred twenty-one million, two hundred thirty-two thousand, five hundred fifty-five".