2030400192809 has 2 divisors, whose sum is σ = 2030400192810. Its totient is φ = 2030400192808.

The previous prime is 2030400192697. The next prime is 2030400192827. The reversal of 2030400192809 is 9082910040302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1289030976025 + 741369216784 = 1135355^2 + 861028^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2030400192809 is a prime.

It is not a weakly prime, because it can be changed into another prime (2030400198809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015200096404 + 1015200096405.

It is an arithmetic number, because the mean of its divisors is an integer number (1015200096405).

Almost surely, 2^{2030400192809} is an apocalyptic number.

It is an amenable number.

2030400192809 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030400192809 is an equidigital number, since it uses as much as digits as its factorization.

2030400192809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 2030400192809 in words is "two trillion, thirty billion, four hundred million, one hundred ninety-two thousand, eight hundred nine".