100435487973 has 16 divisors (see below), whose sum is σ = 134071129920. Its totient is φ = 66878469504.

The previous prime is 100435487963. The next prime is 100435488001. The reversal of 100435487973 is 379784534001.

It is a happy number.

It is not a de Polignac number, because 100435487973 - 2²⁶ = 100368379109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100435487963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11891490 + ... + 11899932.

It is an arithmetic number, because the mean of its divisors is an integer number (8379445620).

Almost surely, 2^100435487973 is an apocalyptic number.

It is an amenable number.

100435487973 is a deficient number, since it is larger than the sum of its proper divisors (33635641947).

100435487973 is a wasteful number, since it uses less digits than its factorization.

100435487973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12628.

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 100435487973 in words is "one hundred billion, four hundred thirty-five million, four hundred eighty-seven thousand, nine hundred seventy-three".