100433640043 has 24 divisors (see below), whose sum is σ = 120918450240. Its totient is φ = 82969286400.

The previous prime is 100433640019. The next prime is 100433640053. The reversal of 100433640043 is 340046334001.

It is not a de Polignac number, because 100433640043 - 2⁹ = 100433639531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100433639993 and 100433640020.

It is not an unprimeable number, because it can be changed into a prime (100433640053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 782163 + ... + 901468.

It is an arithmetic number, because the mean of its divisors is an integer number (5038268760).

Almost surely, 2^100433640043 is an apocalyptic number.

100433640043 is a deficient number, since it is larger than the sum of its proper divisors (20484810197).

100433640043 is a wasteful number, since it uses less digits than its factorization.

100433640043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683699 (or 1683688 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 100433640043 its reverse (340046334001), we get a palindrome (440479974044).

The spelling of 100433640043 in words is "one hundred billion, four hundred thirty-three million, six hundred forty thousand, forty-three".