633326645 has 16 divisors (see below), whose sum is σ = 887044608. Its totient is φ = 425040000.

The previous prime is 633326641. The next prime is 633326651. The reversal of 633326645 is 546623336.

It is not a de Polignac number, because 633326645 - 2² = 633326641 is a prime.

It is a super-2 number, since 2×633326645² = 802205278533912050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 633326599 and 633326608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633326641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190856 + ... + 194145.

It is an arithmetic number, because the mean of its divisors is an integer number (55440288).

Almost surely, 2^633326645 is an apocalyptic number.

It is an amenable number.

633326645 is a deficient number, since it is larger than the sum of its proper divisors (253717963).

633326645 is a wasteful number, since it uses less digits than its factorization.

633326645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385060.

The product of its digits is 233280, while the sum is 38.

The square root of 633326645 is about 25165.9819001763. The cubic root of 633326645 is about 858.7681321993.

The spelling of 633326645 in words is "six hundred thirty-three million, three hundred twenty-six thousand, six hundred forty-five".