20614787353 has 2 divisors, whose sum is σ = 20614787354. Its totient is φ = 20614787352.

The previous prime is 20614787329. The next prime is 20614787381. The reversal of 20614787353 is 35378741602.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17457808384 + 3156978969 = 132128^2 + 56187^2 .

It is a cyclic number.

It is not a de Polignac number, because 20614787353 - 2⁵ = 20614787321 is a prime.

It is not a weakly prime, because it can be changed into another prime (20614787383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10307393676 + 10307393677.

It is an arithmetic number, because the mean of its divisors is an integer number (10307393677).

Almost surely, 2^20614787353 is an apocalyptic number.

It is an amenable number.

20614787353 is a deficient number, since it is larger than the sum of its proper divisors (1).

20614787353 is an equidigital number, since it uses as much as digits as its factorization.

20614787353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 20614787353 in words is "twenty billion, six hundred fourteen million, seven hundred eighty-seven thousand, three hundred fifty-three".