2130764539 has 2 divisors, whose sum is σ = 2130764540. Its totient is φ = 2130764538.

The previous prime is 2130764491. The next prime is 2130764543. The reversal of 2130764539 is 9354670312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2130764539 - 2¹⁹ = 2130240251 is a prime.

It is not a weakly prime, because it can be changed into another prime (2130764549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065382269 + 1065382270.

It is an arithmetic number, because the mean of its divisors is an integer number (1065382270).

Almost surely, 2^2130764539 is an apocalyptic number.

2130764539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130764539 is an equidigital number, since it uses as much as digits as its factorization.

2130764539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 2130764539 is about 46160.2051446915. The cubic root of 2130764539 is about 1286.8022753508.

The spelling of 2130764539 in words is "two billion, one hundred thirty million, seven hundred sixty-four thousand, five hundred thirty-nine".