633485221005 has 64 divisors (see below), whose sum is σ = 1248903387648. Its totient is φ = 267011527680.

The previous prime is 633485220983. The next prime is 633485221021. The reversal of 633485221005 is 500122584336.

It is a happy number.

It is not a de Polignac number, because 633485221005 - 2¹³ = 633485212813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 932515 + ... + 1461695.

It is an arithmetic number, because the mean of its divisors is an integer number (19514115432).

Almost surely, 2^633485221005 is an apocalyptic number.

633485221005 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

633485221005 is a deficient number, since it is larger than the sum of its proper divisors (615418166643).

633485221005 is a wasteful number, since it uses less digits than its factorization.

633485221005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530086.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 633485221005 in words is "six hundred thirty-three billion, four hundred eighty-five million, two hundred twenty-one thousand, five".