2030139005261 has 2 divisors, whose sum is σ = 2030139005262. Its totient is φ = 2030139005260.

The previous prime is 2030139005227. The next prime is 2030139005309. The reversal of 2030139005261 is 1625009310302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2019437102761 + 10701902500 = 1421069^2 + 103450^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030139005261 - 2³⁴ = 2012959136077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2030139005201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015069502630 + 1015069502631.

It is an arithmetic number, because the mean of its divisors is an integer number (1015069502631).

Almost surely, 2^{2030139005261} is an apocalyptic number.

It is an amenable number.

2030139005261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030139005261 is an equidigital number, since it uses as much as digits as its factorization.

2030139005261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The spelling of 2030139005261 in words is "two trillion, thirty billion, one hundred thirty-nine million, five thousand, two hundred sixty-one".