211428452747 has 2 divisors, whose sum is σ = 211428452748. Its totient is φ = 211428452746.

The previous prime is 211428452731. The next prime is 211428452773. The reversal of 211428452747 is 747254824112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211428452747 - 2⁴ = 211428452731 is a prime.

It is not a weakly prime, because it can be changed into another prime (211428452797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105714226373 + 105714226374.

It is an arithmetic number, because the mean of its divisors is an integer number (105714226374).

Almost surely, 2^211428452747 is an apocalyptic number.

211428452747 is a deficient number, since it is larger than the sum of its proper divisors (1).

211428452747 is an equidigital number, since it uses as much as digits as its factorization.

211428452747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1003520, while the sum is 47.

The spelling of 211428452747 in words is "two hundred eleven billion, four hundred twenty-eight million, four hundred fifty-two thousand, seven hundred forty-seven".