634432242653003 has 32 divisors (see below), whose sum is σ = 657536457768960. Its totient is φ = 611496254011680.

The previous prime is 634432242652981. The next prime is 634432242653021. The reversal of 634432242653003 is 300356242234436.

It is a happy number.

It is not a de Polignac number, because 634432242653003 - 2¹² = 634432242648907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634432242653903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104364570518 + ... + 104364576596.

It is an arithmetic number, because the mean of its divisors is an integer number (20548014305280).

Almost surely, 2^{634432242653003} is an apocalyptic number.

634432242653003 is a deficient number, since it is larger than the sum of its proper divisors (23104215115957).

634432242653003 is a wasteful number, since it uses less digits than its factorization.

634432242653003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13047.

The product of its (nonzero) digits is 7464960, while the sum is 47.

Adding to 634432242653003 its reverse (300356242234436), we get a palindrome (934788484887439).

The spelling of 634432242653003 in words is "six hundred thirty-four trillion, four hundred thirty-two billion, two hundred forty-two million, six hundred fifty-three thousand, three".