100642433535 has 72 divisors (see below), whose sum is σ = 203001158880. Its totient is φ = 45991387008.

The previous prime is 100642433519. The next prime is 100642433543. The reversal of 100642433535 is 535334246001.

100642433535 is a `hidden beast` number, since 1 + 0 + 0 + 64 + 243 + 353 + 5 = 666.

It is not a de Polignac number, because 100642433535 - 2⁴ = 100642433519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100642433535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7783806 + ... + 7796724.

It is an arithmetic number, because the mean of its divisors is an integer number (2819460540).

Almost surely, 2^100642433535 is an apocalyptic number.

100642433535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100642433535 is an abundant number, since it is smaller than the sum of its proper divisors (102358725345).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100642433535 is a wasteful number, since it uses less digits than its factorization.

100642433535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16477 (or 16467 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 100642433535 its reverse (535334246001), we get a palindrome (635976679536).

The spelling of 100642433535 in words is "one hundred billion, six hundred forty-two million, four hundred thirty-three thousand, five hundred thirty-five".