633619793061 has 40 divisors (see below), whose sum is σ = 1002396752280. Its totient is φ = 397485729792.

The previous prime is 633619793029. The next prime is 633619793069. The reversal of 633619793061 is 160397916336.

It can be written as a sum of positive squares in 4 ways, for example, as 218948190561 + 414671602500 = 467919^2 + 643950^2 .

It is not a de Polignac number, because 633619793061 - 2⁵ = 633619793029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 633619792989 and 633619793007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633619793069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7250535 + ... + 7337403.

It is an arithmetic number, because the mean of its divisors is an integer number (25059918807).

Almost surely, 2^633619793061 is an apocalyptic number.

It is an amenable number.

633619793061 is a deficient number, since it is larger than the sum of its proper divisors (368776959219).

633619793061 is a wasteful number, since it uses less digits than its factorization.

633619793061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92195 (or 92186 counting only the distinct ones).

The product of its (nonzero) digits is 3306744, while the sum is 54.

The spelling of 633619793061 in words is "six hundred thirty-three billion, six hundred nineteen million, seven hundred ninety-three thousand, sixty-one".