20114953294409 has 2 divisors, whose sum is σ = 20114953294410. Its totient is φ = 20114953294408.

The previous prime is 20114953294391. The next prime is 20114953294453. The reversal of 20114953294409 is 90449235941102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17305575040009 + 2809378254400 = 4159997^2 + 1676120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20114953294409 is a prime.

It is a super-2 number, since 2×20114953294409² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20114953294109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10057476647204 + 10057476647205.

It is an arithmetic number, because the mean of its divisors is an integer number (10057476647205).

Almost surely, 2^{20114953294409} is an apocalyptic number.

It is an amenable number.

20114953294409 is a deficient number, since it is larger than the sum of its proper divisors (1).

20114953294409 is an equidigital number, since it uses as much as digits as its factorization.

20114953294409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 20114953294409 in words is "twenty trillion, one hundred fourteen billion, nine hundred fifty-three million, two hundred ninety-four thousand, four hundred nine".