2019764093 has 2 divisors, whose sum is σ = 2019764094. Its totient is φ = 2019764092.

The previous prime is 2019764083. The next prime is 2019764129. The reversal of 2019764093 is 3904679102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1712883769 + 306880324 = 41387^2 + 17518^2 .

It is a cyclic number.

It is not a de Polignac number, because 2019764093 - 2⁴ = 2019764077 is a prime.

It is a super-2 number, since 2×2019764093² = 8158893982744225298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2019764093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2019764063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009882046 + 1009882047.

It is an arithmetic number, because the mean of its divisors is an integer number (1009882047).

Almost surely, 2^2019764093 is an apocalyptic number.

It is an amenable number.

2019764093 is a deficient number, since it is larger than the sum of its proper divisors (1).

2019764093 is an equidigital number, since it uses as much as digits as its factorization.

2019764093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 2019764093 is about 44941.7856009305. The cubic root of 2019764093 is about 1264.0576531029.

The spelling of 2019764093 in words is "two billion, nineteen million, seven hundred sixty-four thousand, ninety-three".