2043537389 has 2 divisors, whose sum is σ = 2043537390. Its totient is φ = 2043537388.

The previous prime is 2043537383. The next prime is 2043537401. The reversal of 2043537389 is 9837353402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1042321225 + 1001216164 = 32285^2 + 31642^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043537389 - 2²⁰ = 2042488813 is a prime.

It is a super-3 number, since 3×2043537389³ (a number of 29 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2043537383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021768694 + 1021768695.

It is an arithmetic number, because the mean of its divisors is an integer number (1021768695).

Almost surely, 2^2043537389 is an apocalyptic number.

It is an amenable number.

2043537389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043537389 is an equidigital number, since it uses as much as digits as its factorization.

2043537389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 2043537389 is about 45205.5017558704. The cubic root of 2043537389 is about 1268.9977810320.

The spelling of 2043537389 in words is "two billion, forty-three million, five hundred thirty-seven thousand, three hundred eighty-nine".