100442734451 has 2 divisors, whose sum is σ = 100442734452. Its totient is φ = 100442734450.

The previous prime is 100442734429. The next prime is 100442734459. The reversal of 100442734451 is 154437244001.

It is a strong prime.

It is an emirp because it is prime and its reverse (154437244001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100442734451 - 2¹⁴ = 100442718067 is a prime.

It is not a weakly prime, because it can be changed into another prime (100442734459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50221367225 + 50221367226.

It is an arithmetic number, because the mean of its divisors is an integer number (50221367226).

Almost surely, 2^100442734451 is an apocalyptic number.

100442734451 is a deficient number, since it is larger than the sum of its proper divisors (1).

100442734451 is an equidigital number, since it uses as much as digits as its factorization.

100442734451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 35.

Adding to 100442734451 its reverse (154437244001), we get a palindrome (254879978452).

The spelling of 100442734451 in words is "one hundred billion, four hundred forty-two million, seven hundred thirty-four thousand, four hundred fifty-one".