2019969353 has 2 divisors, whose sum is σ = 2019969354. Its totient is φ = 2019969352.

The previous prime is 2019969323. The next prime is 2019969373. The reversal of 2019969353 is 3539699102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1739473849 + 280495504 = 41707^2 + 16748^2 .

It is a cyclic number.

It is not a de Polignac number, because 2019969353 - 2²⁸ = 1751533897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2019969298 and 2019969307.

It is not a weakly prime, because it can be changed into another prime (2019969323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009984676 + 1009984677.

It is an arithmetic number, because the mean of its divisors is an integer number (1009984677).

Almost surely, 2^2019969353 is an apocalyptic number.

It is an amenable number.

2019969353 is a deficient number, since it is larger than the sum of its proper divisors (1).

2019969353 is an equidigital number, since it uses as much as digits as its factorization.

2019969353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 393660, while the sum is 47.

The square root of 2019969353 is about 44944.0691637951. The cubic root of 2019969353 is about 1264.1004719129.

The spelling of 2019969353 in words is "two billion, nineteen million, nine hundred sixty-nine thousand, three hundred fifty-three".