100201987453 has 2 divisors, whose sum is σ = 100201987454. Its totient is φ = 100201987452.

The previous prime is 100201987439. The next prime is 100201987493. The reversal of 100201987453 is 354789102001.

It is an a-pointer prime, because the next prime (100201987493) can be obtained adding 100201987453 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78564165849 + 21637821604 = 280293^2 + 147098^2 .

It is an emirp because it is prime and its reverse (354789102001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100201987453 - 2⁵ = 100201987421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100201987423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50100993726 + 50100993727.

It is an arithmetic number, because the mean of its divisors is an integer number (50100993727).

Almost surely, 2^100201987453 is an apocalyptic number.

It is an amenable number.

100201987453 is a deficient number, since it is larger than the sum of its proper divisors (1).

100201987453 is an equidigital number, since it uses as much as digits as its factorization.

100201987453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 100201987453 in words is "one hundred billion, two hundred one million, nine hundred eighty-seven thousand, four hundred fifty-three".