213432012049 has 2 divisors, whose sum is σ = 213432012050. Its totient is φ = 213432012048.

The previous prime is 213432011981. The next prime is 213432012091. The reversal of 213432012049 is 940210234312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108805640449 + 104626371600 = 329857^2 + 323460^2 .

It is a cyclic number.

It is not a de Polignac number, because 213432012049 - 2³³ = 204842077457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213432012049.

It is not a weakly prime, because it can be changed into another prime (213432010049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106716006024 + 106716006025.

It is an arithmetic number, because the mean of its divisors is an integer number (106716006025).

Almost surely, 2^213432012049 is an apocalyptic number.

It is an amenable number.

213432012049 is a deficient number, since it is larger than the sum of its proper divisors (1).

213432012049 is an equidigital number, since it uses as much as digits as its factorization.

213432012049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 213432012049 in words is "two hundred thirteen billion, four hundred thirty-two million, twelve thousand, forty-nine".