213233757743 has 2 divisors, whose sum is σ = 213233757744. Its totient is φ = 213233757742.

The previous prime is 213233757683. The next prime is 213233757833. The reversal of 213233757743 is 347757332312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213233757743 - 2²² = 213229563439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213233753743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106616878871 + 106616878872.

It is an arithmetic number, because the mean of its divisors is an integer number (106616878872).

Almost surely, 2^213233757743 is an apocalyptic number.

213233757743 is a deficient number, since it is larger than the sum of its proper divisors (1).

213233757743 is an equidigital number, since it uses as much as digits as its factorization.

213233757743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2222640, while the sum is 47.

The spelling of 213233757743 in words is "two hundred thirteen billion, two hundred thirty-three million, seven hundred fifty-seven thousand, seven hundred forty-three".