20100064616453 has 2 divisors, whose sum is σ = 20100064616454. Its totient is φ = 20100064616452.

The previous prime is 20100064616449. The next prime is 20100064616459. The reversal of 20100064616453 is 35461646000102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18312049030564 + 1788015585889 = 4279258^2 + 1337167^2 .

It is a cyclic number.

It is not a de Polignac number, because 20100064616453 - 2² = 20100064616449 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20100064616459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050032308226 + 10050032308227.

It is an arithmetic number, because the mean of its divisors is an integer number (10050032308227).

Almost surely, 2^{20100064616453} is an apocalyptic number.

It is an amenable number.

20100064616453 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100064616453 is an equidigital number, since it uses as much as digits as its factorization.

20100064616453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 20100064616453 in words is "twenty trillion, one hundred billion, sixty-four million, six hundred sixteen thousand, four hundred fifty-three".