641350633 has 16 divisors (see below), whose sum is σ = 818205696. Its totient is φ = 488129040.

The previous prime is 641350609. The next prime is 641350651. The reversal of 641350633 is 336053146.

It is not a de Polignac number, because 641350633 - 2¹³ = 641342441 is a prime.

It is a super-2 number, since 2×641350633² = 822661268899001378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 641350595 and 641350604.

It is not an unprimeable number, because it can be changed into a prime (641350603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93541 + ... + 100162.

It is an arithmetic number, because the mean of its divisors is an integer number (51137856).

Almost surely, 2^641350633 is an apocalyptic number.

It is an amenable number.

641350633 is a deficient number, since it is larger than the sum of its proper divisors (176855063).

641350633 is a wasteful number, since it uses less digits than its factorization.

641350633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193764.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 641350633 is about 25324.9014410718. The cubic root of 641350633 is about 862.3796689372.

The spelling of 641350633 in words is "six hundred forty-one million, three hundred fifty thousand, six hundred thirty-three".